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    • 下載積分: 10 賞幣
      上傳時(shí)間:2024-03-14
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簡(jiǎn)介:SLEEETALAPYROELECTRICINFRAREDSENSORBASEDINDOORLOCATIONAWARESYSTEMFORTHESMARTHOMECONTRIBUTEDPAPERMANUSCRIPTRECEIVEDSEPTEMBER1,200600983063/06/2000?2006IEEE1311APYROELECTRICINFRAREDSENSORBASEDINDOORLOCATIONAWARESYSTEMFORTHESMARTHOMESUKLEE,MEMBER,IEEE,KYOUNGNAMHA,KYUNGCHANGLEE,MEMBER,IEEEABSTRACTSMARTHOMEISEXPECTEDTOOFFERVARIOUSINTELLIGENTSERVICESBYRECOGNIZINGRESIDENTSALONGWITHTHEIRLIFESTYLEANDFEELINGSONEOFTHEKEYISSUESFORREALIZINGTHESMARTHOMEISHOWTODETECTTHELOCATIONSOFRESIDENTSCURRENTLY,THERESEARCHEFFORTISFOCUSEDONTWOAPPROACHESTERMINALBASEDANDNONTERMINALBASEDMETHODSTHETERMINALBASEDMETHODEMPLOYSATYPEOFDEVICETHATSHOULDBECARRIEDBYTHERESIDENTWHILETHENONTERMINALBASEDMETHODREQUIRESNOSUCHDEVICETHISPAPERPRESENTSANOVELNONTERMINALBASEDAPPROACHUSINGANARRAYOFPYROELECTRICINFRAREDSENSORSPIRSENSORSTHATCANDETECTRESIDENTSTHEFEASIBILITYOFTHESYSTEMISEVALUATEDEXPERIMENTALLYONATESTBED1INDEXTERMSSMARTHOME,LOCATIONBASEDSERVICE,PYROELECTRICINFRAREDSENSORPIRSENSOR,LOCATIONRECOGNITIONALGORITHMIINTRODUCTIONHEREISAGROWINGINTERESTINSMARTHOMEASAWAYTOOFFERACONVENIENT,COMFORTABLE,ANDSAFERESIDENTIALENVIRONMENT1,2INGENERAL,THESMARTHOMEAIMSTOOFFERAPPROPRIATEINTELLIGENTSERVICESTOACTIVELYASSISTINTHERESIDENT’SLIFESUCHASHOUSEWORK,AMUSEMENT,REST,ANDSLEEPHENCE,INORDERTOENHANCETHERESIDENT’SCONVENIENCEANDSAFETY,DEVICESSUCHASHOMEAPPLIANCES,MULTIMEDIAAPPLIANCES,ANDINTERNETAPPLIANCESSHOULDBECONNECTEDVIAAHOMENETWORKSYSTEM,ASSHOWNINFIG1,ANDTHEYSHOULDBECONTROLLEDORMONITOREDREMOTELYUSINGATELEVISIONTVORPERSONALDIGITALASSISTANTPDA3,4ESPECIALLY,ATTENTIONHASBEENFOCUSEDONLOCATIONBASEDSERVICESASAWAYTOOFFERHIGHQUALITYINTELLIGENTSERVICES,WHILECONSIDERINGHUMANFACTORSSUCHASPATTERNOFLIVING,HEALTH,ANDFEELINGSOFARESIDENT57THATIS,IFTHESMARTHOMECANRECOGNIZETHERESIDENT’SPATTERNOFLIVINGORHEALTH,THENHOMEAPPLIANCESSHOULDBEABLETOANTICIPATETHERESIDENT’SNEEDSANDOFFERAPPROPRIATEINTELLIGENTSERVICEMOREACTIVELYFOREXAMPLE,INAPASSIVESERVICEENVIRONMENT,THERESIDENTCONTROLSTHEOPERATIONOFTHEHVACHEATING,VENTILATING,ANDAIRCONDITIONINGSYSTEM,WHILETHESMARTHOMEWOULDCONTROLTHETEMPERATUREANDHUMIDITYOFAROOMACCORDINGTOTHERESIDENT’SCONDITIONVARIOUSINDOORLOCATIONAWARESYSTEMSHAVEBEENDEVELOPEDTORECOGNIZETHERESIDENT’SLOCATIONINTHESMARTHOMEORTHISWORKWASSUPPORTEDBYTHEKOREARESEARCHFOUNDATIONGRANTFUNDEDBYTHEKOREANGOVERNMENTMOEHRDKRF2005003D00105SLEEANDKNHAISWITHTHESCHOOLOFMECHANICALENGINEERING,PUSANNATIONALUNIVERSITY,BUSAN609735,KOREAEMAILSLEEPNUEDU,0VINCENTPNUEDUKCLEEISWITHTHEDEPARTMENTOFCONTROLANDAUTOMATIONENGINEERING,PUKYUNGNATIONALUNIVERSITY,BUSAN608739,KOREAEMAILGCLEEPKNUACKRSMARTOFFICEINGENERAL,INDOORLOCATIONAWARESYSTEMSHAVEBEENCLASSIFIEDINTOTHREETYPESACCORDINGTOTHEMEASUREMENTTECHNOLOGYTRIANGULATION,SCENEANALYSIS,ANDPROXIMITYMETHODS8THETRIANGULATIONMETHODUSESMULTIPLEDISTANCESFROMMULTIPLEKNOWNPOINTSEXAMPLESINCLUDEACTIVEBADGES9,ACTIVEBATS10,ANDEASYLIVING11,WHICHUSEINFRAREDSENSORS,ULTRASONICSENSORS,ANDVISIONSENSORS,RESPECTIVELYTHESCENEANALYSISMETHODEXAMINESAVIEWFROMAPARTICULARVANTAGEPOINTREPRESENTATIVEEXAMPLESOFTHESCENEANALYSISMETHODAREMOTIONSTAR12,WHICHUSESADCMAGNETICTRACKER,ANDRADAR13,WHICHUSESIEEE80211WIRELESSLOCALAREANETWORKLANFINALLY,THEPROXIMITYMETHODMEASURESNEARNESSTOAKNOWNSETOFPOINTSANEXAMPLEOFTHEPROXIMITYMETHODISSMARTFLOOR14,WHICHUSESPRESSURESENSORSALTERNATIVELY,INDOORLOCATIONAWARESYSTEMSCANBECLASSIFIEDACCORDINGTOTHENEEDFORATERMINALTHATSHOULDBECARRIEDBYTHERESIDENTTERMINALBASEDMETHODS,SUCHASACTIVEBATS,DONOTRECOGNIZETHERESIDENT’SLOCATIONDIRECTLY,BUTPERCEIVETHELOCATIONOFADEVICECARRIEDBYTHERESIDENT,SUCHASANINFRAREDTRANSCEIVERORRADIOFREQUENCYIDENTIFICATIONRFIDTAGTHEREFORE,ITISIMPOSSIBLETORECOGNIZETHERESIDENT’SLOCATIONIFHEORSHEISNOTCARRYINGTHEDEVICEINCONTRAST,NONTERMINALMETHODSSUCHASEASYLIVINGANDSMARTFLOORCANFINDTHERESIDENT’SLOCATIONWITHOUTSUCHDEVICESHOWEVER,EASYLIVINGCANBEREGARDEDTOINVADETHERESIDENT’SPRIVACYWHILETHESMARTFLOORHASDIFFICULTYWITHEXTENDIBILITYANDMAINTENANCETHISPAPERPRESENTSANONTERMINALBASEDLOCATIONAWARESYSTEMTHATUSESANARRAYOFPYROELECTRICINFRAREDPIRSENSORS15,16THEPIRSENSORSONTHECEILINGDETECTTHEPRESENCEOFARESIDENTANDARELAIDOUTSOTHATDETECTIONAREASOFADJACENTSENSORSOVERLAPBYCOMBININGTHEOUTPUTSOFMULTIPLEPIRSENSORS,THESYSTEMISABLETOLOCATEARESIDENTWITHAREASONABLEDEGREEOFACCURACYTHISSYSTEMHASINHERENTADVANTAGEOFNONTERMINALBASEDMETHODSWHILEAVOIDINGPRIVACYANDEXTENDIBILITY,MAINTENANCEISSUESINORDERTODEMONSTRATEITSEFFICACY,ANEXPERIMENTALTESTBEDHASBEENCONSTRUCTED,ANDTHEPROPOSEDSYSTEMHASBEENEVALUATEDEXPERIMENTALLYUNDERVARIOUSEXPERIMENTALCONDITIONSTHISPAPERISORGANIZEDINTOFOURSECTIONS,INCLUDINGTHISINTRODUCTIONSECTIONIIPRESENTSTHEARCHITECTUREOFTHEPIRSENSORBASEDINDOORLOCATIONAWARESYSTEMPILAS,ANDTHELOCATIONRECOGNITIONALGORITHMSECTIONIIIDESCRIBESARESIDENTDETECTIONMETHODUSINGPIRSENSORS,ANDEVALUATESTHEPERFORMANCEOFTHESYSTEMUNDERVARIOUSCONDITIONSUSINGANEXPERIMENTALTESTBEDFINALLY,ASUMMARYANDTHECONCLUSIONSAREPRESENTEDINSECTIONIVTSLEEETALAPYROELECTRICINFRAREDSENSORBASEDINDOORLOCATIONAWARESYSTEMFORTHESMARTHOME1313MUSICINADDITION,THETEMPERATUREOFTHESHOWERWATERCANBESETAUTOMATICALLYFORTHERESIDENTBLOCATIONRECOGNITIONALGORITHMINORDERTODETERMINETHELOCATIONOFARESIDENTWITHINAROOM,ANARRAYOFPIRSENSORSAREUSEDASSHOWNINFIG3INTHEFIGURE,THESENSINGAREAOFEACHPIRSENSORISSHOWNASACIRCLE,ANDTHESENSINGAREASOFTWOORMORESENSORSOVERLAPCONSEQUENTLY,WHENARESIDENTENTERSONEOFTHESENSINGAREAS,THESYSTEMDECIDESWHETHERHE/SHEBELONGSTOANYSENSINGAREABYINTEGRATINGTHESENSINGINFORMATIONCOLLECTEDFROMALLOFTHEPIRSENSORSINTHEROOMFOREXAMPLE,WHENARESIDENTENTERSTHESENSINGAREAB,SENSORSAANDBOUTPUT‘ON’SIGNALS,WHILESENSORCOUTPUTS‘OFF’SIGNALAFTERCOLLECTINGOUTPUTS,THEALGORITHMCANINFERTHATTHERESIDENTBELONGSTOTHESENSINGAREABACCORDINGTOTHENUMBEROFSENSORSANDTHEARRANGEMENTOFTHESENSORSSIGNALING‘ON’,THERESIDENT’SLOCATIONISDETERMINEDINTHEFOLLOWINGMANNERFIRST,IFONLYONESENSOROUTPUTS‘ON’SIGNAL,THERESIDENTISREGARDEDTOBEATTHECENTEROFTHESENSINGAREAOFTHECORRESPONDINGSENSORIFTHEOUTPUTSOFTWOADJACENTSENSORSARE‘ON’,THERESIDENT’SLOCATIONISASSUMEDTOBEATTHEPOINTMIDWAYBETWEENTHETWOSENSORSFINALLY,IFTHREEORMORESENSORSSIGNAL‘ON’,THERESIDENTISLOCATEDATTHECENTROIDOFTHECENTERSOFTHECORRESPONDINGSENSORSFOREXAMPLE,ITISASSUMEDTHATTHERESIDENTISLOCATEDATPOINT1INTHEFIGUREWHENONLYSENSORASIGNALS‘ON’,WHILETHERESIDENTISLOCATEDATPOINT2WHENSENSORSAANDBBOTHOUTPUT‘ON’SIGNALSTHELOCATIONACCURACYOFTHISSYSTEMCANBEDEFINEDTHEMAXIMUMDISTANCEBETWEENTHEESTIMATEDPOINTSANDTHERESIDENTFOREXAMPLE,WHENARESIDENTENTERSSENSINGAREAA,THERESIDENTISASSUMEDTOBEATPOINT1ONTHEASSUMPTIONTHATARESIDENTCANBEREPRESENTEDBYAPOINTANDTHERADIUSOFTHESENSINGAREAOFAPIRSENSORIS1M,WEKNOWTHATTHELOCATIONACCURACYIS1MBECAUSETHEMAXIMUMERROROCCURSWHENTHERESIDENTISONTHEBOUNDARYOFSENSINGAREAAALTERNATIVELY,WHENTHERESIDENTISINSENSINGAREAB,THERESIDENTISASSUMEDTOBEATPOINT2,ANDTHEMAXIMUMLOCATIONERROROCCURSWHENTHERESIDENTISACTUALLYATPOINT3INTHISCASE,THEERRORIS2/3MWHICHISTHEDISTANCEBETWEENPOINTS2AND3THEREFORE,THELOCATIONACCURACYOFTHETOTALSYSTEMSHOWNINFIG3CANBEREGARDEDAS1M,WHICHISTHEMAXIMUMVALUEOFTHELOCATIONACCURACYOFEACHAREASINCETHENUMBEROFSENSORSANDTHESIZEOFTHEIRSENSINGAREASDETERMINETHELOCATIONACCURACYOFTHEPILAS,ITISNECESSARYTOARRANGETHEPIRSENSORSPROPERLYTOGUARANTEETHESPECIFIEDSYSTEMACCURACYBCABSENSINGAREAPIRSENSORAC123FIG3THELOCATIONRECOGNITIONALGORITHMFORPIRSENSORSCELL1LOCATIONDECISIONCELL2CELLNRESIDENTDETECTIONHOMENETWORKRTRTSMARTHOMESERVERVIRTUALMAPGENERATORGENERATINGAVIRTUALMAPWRITINGTHERESIDENT’SLOCATIONTRACKINGTHERESIDENT’SMOVEMENTINSTANTSERVICEMOVINGPATTERNPREDICTORDBPATTERNGENERATOREXTERNALMONITORHOMENETWORKROOMTERMINALPIRSENSOR1PIRSENSOR2PIRSENSORMHOMEAPPLIANCECONTROLLERINTELLIGENTSERVICEHOMEAPPLIANCEHOMEAPPLIANCEFIG2FRAMEWORKOFSMARTHOMEFORTHEPILAS
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      上傳時(shí)間:2024-03-13
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    • 簡(jiǎn)介:此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品(含英文原文中文翻譯),無(wú)需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子一次的事外文標(biāo)題PROBLEMSANDCOUNTERMEASURESFORTHEDEVELOPMENTOFMODERNAGRICULTUREINHENANPROVINCE,CHINA外文作者ZHANGBOLIN文獻(xiàn)出處ASIANAGRICULTURALRESEARCH2018621215如覺(jué)得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文3228單詞,19689字符,中文4785漢字。PROBLEMSANDCOUNTERMEASURESFORTHEDEVELOPMENTOFMODERNAGRICULTUREINHENANPROVINCE,CHINAZHANGBOLINABSTRACTCURRENTSTATUSOFAGRICULTURALDEVELOPMENTINHENANPROVINCEOFCHINAISANALYZED,SHOWINGTHATTHEAGRICULTURALPRODUCTIONCONDITIONISINCREASINGLYIMPROVEDFOODPRODUCTIONREACHESTOANEWLEVELCHARACTERISTICAGRICULTUREANDGREENAGRICULTURALPRODUCTIONBEGINTOTAKESHAPETHELEVELOFAGRICULTURALMECHANIZATIONISSIGNIFICANTLYIMPROVEDANDTHEAGRICULTURALSTANDARDIZATIONANDOPENINGDEGREEAREENHANCEDPROBLEMSINTHEDEVELOPMENTOFMODERNAGRICULTUREINHENANPROVINCEAREPOINTEDOUT,SUCHASTHEPROMINENTPRESSUREONTHEINCREASEINGRAINPRODUCTION,THEGREATRISKSINFOODSAFETY,THETOUGHEMPLOYMENTSITUATION,ANDTHEWEAKECOLOGICALENVIRONMENTCOUNTERMEASURESFORDEVELOPINGTHEMODERNAGRICULTUREINHENANPROVINCEAREPUTFORWARD,INCLUDINGSTABILIZINGCULTIVATIONAREA,OPTIMIZINGSTRUCTURE,RELYINGONSCIENCEANDTECHNOLOGY,DOINGEVERYTHINGPOSSIBLETOENSURETHEINCREASEINGRAINPRODUCTION,STRENGTHENINGTHESUPERVISIONONFOODSAFETY,ACTIVELYEXPLORINGTHEEMPLOYMENTSPACEOFMODERNAGRICULTURE,ANDPROTECTINGECOLOGICALENVIRONMENTBYMODERNAGRICULTUREKEYWORDSHENANPROVINCE,MODERNAGRICULTURE,PROBLEM,COUNTERMEASURE,CHINA12BRINGINGINTOANEWLEVELOFFOODPRODUCTIONASCHINA’SMAJORGRAINPRODUCINGPROVINCE,HENANPROVINCEHASALWAYSTAKENENSURINGTHENATIONALFOODSECURITYASANUNSHIRKABLERESPONSIBILITY,WHENFACINGWITHTHESEVERETESTANDTHECOMPLEXSITUATIONOFFOODPRODUCTIONHENANPROVINCEALWAYSADHERESTOTHECOORDINATEDDEVELOPMENT,TRIESTOAROUSETHEPEASANTS’INITIATIVE,ANDEXPANDSTHEOVERALLGRAINPRODUCTIONCAPACITYDURINGTHEELEVENTHFIVEYEARPERIOD,GRAINYIELDINCREASESYEARAFTERYEARINHENANPROVINCE,ANDTHEOVERALLOUTPUTATTAINSANEWHEIGHTOFMORETHAN50TRILLIONKILOGRAMSFORFIVECONSECUTIVEYEARS,WHICHEFFECTIVELYSOLVESTHEPROBLEMOFFEEDINGAPOPULATIONOF100BILLION,SUPPLIESMORETHAN15TRILLIONKILOGRAMSMARKETABLEGRAINSFOROTHERPROVINCES,ANDLAYSASOLIDFOUNDATIONFORTHENATIONALFOODSECURITYANDTHESTABLEANDRAPIDECONOMICGROWTH13REACHINGACERTAINSCALEOFCHARACTERISTICAGRICULTUREANDGREENAGRICULTURALPRODUCTSINRECENTYEARS,AGRICULTURALINDUSTRIALCLUSTERSHAVEINITIALLYTAKENSHAPEINSOMEAREASOFHENANPROVINCE,ACCORDINGTOLOCALSITUATIONSATPRESENT,HENANPROVINCEHAS58113AGRICULTURALSTANDARDIZEDDEMONSTRATIONBASESATNATIONAL,PROVINCIAL,MUNICIPALANDCOUNTYLEVELSAMONGTHEM,THEREARE69,183,AND329BASESATNATIONAL,PROVINCIAL,ANDMUNICIPALANDCOUNTYLEVELS,RESPECTIVELYANUMBEROFCHARACTERISTICAGRICULTURALPROJECTSAREDEVELOPED,SUCHASXINZHENGJUJUBE,LINGBAOAPPLE,XINYANGMAOJIAN,ZHONGMOUGARLIC,LUOHEPIG,ANDPINGYUSESAME,WHICHCOVERTHEFIELDSOFGRAIN,OILSEED,VEGETABLE,FRUIT,FLOWER,LIVESTOCK,AQUATICPRODUCT,TEA,FORESTPRODUCTS,TRADITIONALCHINESEMEDICINALMATERIALSANDSOON,ANDAREDISTRIBUTEDINMORETHAN100COUNTIES,CITIESANDDISTRICTSOFHENANPROVINCETHEREFORE,THESECHARACTERISTICAGRICULTURALPROJECTSPLAYAGOODDEMONSTRATIONANDLEADINGROLEINDRIVINGTHEDEVELOPMENTOFAGRICULTURALMODERNIZATIONINHENANPROVINCE14SIGNIFICANTLYIMPROVINGTHELEVELOFAGRICULTURALMECHANIZATIONWITHTHEGROWINGECONOMICSTRENGTHANDTHECONTINUOUSIMPROVEMENTOFINDUSTRIALIZATIONLEVEL,INDUSTRYNURTURINGAGRICULTUREINHENANPROVINCEISFULLYREFLECTEDATTHEENDOFTHEYEAR2008,HENANPROVINCEHAS942926KILOWATTSGROSSAGRICULTURALMACHINERY,3833THOUSANDTRACTORS,AND102530COMBINEHARVESTERSTHEINTEGRATEDMECHANIZATIONRATEOFTILLAGE,PLANTINGANDHARVESTINGREACHES63MECHANICALSOWINGANDHARVESTINGRATEOFWHEATISMORETHAN95BASEDONTHEMECHANIZATIONOFTILLAGE,WHEATSOWINGANDHARVESTING,HENANPROVINCEHASFURTHEREXPANDEDTHEAPPLICATIONFIELDOFAGRICULTURALMACHINERYTHESEEDEDCORNAREABYTRACTORSREACHES15917THOUSANDHECTARESINHENANPROVINCETHEAREAOFSTRAWRETURNINGTOTHEFIELDBYTRACTORSIS26989THOUSANDHECTARESTHEHARVESTEDRICEAREABYTRACTORSREACHES3033THOUSANDHECTARESANDTHEMECHANIZATIONLEVELOFRICEHARVESTINGREPRESENTSAHISTORICALBREAKTHROUGHOFMORETHAN50
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簡(jiǎn)介:XMLTEMPLATE20151922015–623PM1–21//BLRNAS3GLYPHCOM/CENPRO/APPLICATIONFILES/JOURNALS/SAGE/3B2/LRTJ/VOL00000/150007/APPFILE/SGLRTJ1500073DLRTPREPRINTERSTAGEASTUDYOFPREFERREDCOLOURRENDERINGOFLIGHTSOURCESSHOPLIGHTINGFSZABO′PHDA,RKE′RIBSCA,JSCHANDADSCA,PCSUTIMSCA,AWILMDIPLINGFHBANDEBAURDIPLPHYSCAUNIVERSITYOFPANNONIA,DEPARTMENTOFELECTRICALENGINEERINGANDINFORMATIONSYSTEMS,VESZPRE′M,HUNGARYBOSRAMOPTOSEMICONDUCTORSGMBH,REGENSBURG,GERMANYCOSRAMGMBH,REGENSBURG,GERMANYRECEIVED10SEPTEMBER2014REVISED4JANUARY2015ACCEPTED25JANUARY2015THISPAPERPROVIDESRECOMMENDATIONSFOROPTIMUMLEDLIGHTSPECTRAINSHOPENVIRONMENTSTHEMAINASPECTSOFTHERESEARCHWERETOELABORATETHEOPTIMALLEDSPECTRALPOWERDISTRIBUTIONFORTHELIGHTINGOFDIFFERENTCOLOURTEXTILES,FRUITSANDVEGETABLES,MEATANDBAKERYPRODUCTSTHESPECTRUMWASTAILOREDTOWARDSDIFFERENTCOLOURQUALITYMETRICSSUCHASTHECOLOURRENDERINGINDEXANDTHECOLOURQUALITYSCALESMALLSCALEINVESTIGATIONSWITHEYETRACKERSTUDIESWERECARRIEDOUTBYOSRAMOPTOSEMICONDUCTORSATTHEUNIVERSITYOFREGENSBURGANDFULLSCALEEXPERIMENTSWERECONDUCTEDATTHEUNIVERSITYOFPANNONIADURINGTHEPROJECTINORDERTODETERMINEWHICHMETRICCORRELATESBESTTOTHEPREFERENCEOFTHEOBSERVERSRESULTSOFTHEPSYCHOPHYSICALHAVEBEENEVALUATEDWITHTHEHELPOFANALYTICHIERARCHYPROCESSANDAMODIFIEDTHURSTONEMETHODASARESULTOFTHEINVESTIGATION,OPTIMALSPECTRALPOWERDISTRIBUTIONSFORSHOPENVIRONMENTAREDESCRIBED1INTRODUCTIONTHEEUROPEANUNIONHASFINANCEDATHREEYEARRESEARCHPROJECTWITHACRONYMSSL4EUTOESTABLISHTHEOPTIMALSPECTRALPOWERDISTRIBUTIONSSPDSOFLEDLIGHTSOURCESFORUSEINOFFICES,SHOPSANDHOMESPREVIOUSPAPERS1–4HAVESUMMARIZEDTHEGENERALQUESTIONSRELEVANTTOCOLOURPREFERENCEINVESTIGATIONS,INTRODUCEDTHEINVESTIGATIONSPERFORMEDINTHETHREEPARTICIPATINGLABORATORIESANDDISCUSSEDTHEDETAILSOFTHEINVESTIGATIONSFOROFFICEANDHOMELIGHTINGPREFERREDCOLOURAPPEARANCEPLAYSANIMPORTANTROLEINMANYFIELDSOFLIFE,NOTONLYINLIGHTINGTHEHOMEOROFFICEENVIRONMENTBUTALSOINTHESHOPENVIRONMENTINTHEFIELDOFSHOPLIGHTING,HALOGENANDHIGHINTENSITYDISCHARGELAMPSARESAIDTOBETHETRADITIONALLIGHTSOURCESTHESETRADITIONALLIGHTSOURCESAREOFTENMANIPULATEDWITHCOLOUREDFILTERSINSUPERMARKETSATTHEMEATCOUNTERLIGHTSOURCESAREQUITEOFTENAPPLIEDTOMAKEMEATPRODUCTSLOOKMOREATTRACTIVE,BUTTHESAMEPRACTICEISALSOUSEDWITHVEGETABLESANDFRUITSINTHEFIELDOFFASHIONLIGHTING,TRADITIONALLIGHTSOURCESCAUSEVISUALDIFFICULTIESWHENDISTINGUISHINGDARKBLUEANDREALBLACKTEXTILESFROMEACHOTHERBECAUSEOFTHELACKOFPOWERINTHE400–500NMWAVELENGTHREGIONCUSTERETAL5HAVEINVESTIGATEDTHEROLEOFLIGHTINGINCREATINGANAMBIENCEINRETAILENVIRONMENTSINTHATSTUDY,THEAUTHORSANALYSED57MIDSEGMENTFASHIONSTORESBYLINKINGDESCRIPTIONSOFLIGHTINGATTRIBUTESEGBRIGHTNESS,CONTRAST,GLAREANDSPARKLEBYINDEPENDENTEXPERTSWITHMEASUREMENTSOFTHEPERCEIVEDATMOSPHEREEGCOSINESS,ADDRESSFORCORRESPONDENCEFSZABO′,UNIVERSITYOFPANNONIA,DEPARTMENTOFELECTRICALENGINEERINGANDINFORMATIONSYSTEMS,EGYETEMSTR10,H8200VESZPRE′M,HUNGARYEMAILSZABOFSZAFEONLINEHULIGHTINGRESTECHNOL201501–21?THECHARTEREDINSTITUTIONOFBUILDINGSERVICESENGINEERS2015101177/1477153515573042ATSAINTJOHNSUNIVONAPRIL21,2015LRTSAGEPUBCOMDOWNLOADEDFROMXMLTEMPLATE20151922015–623PM1–21//BLRNAS3GLYPHCOM/CENPRO/APPLICATIONFILES/JOURNALS/SAGE/3B2/LRTJ/VOL00000/150007/APPFILE/SGLRTJ1500073DLRTPREPRINTERSTAGEIMPROVETHECHROMAOFTHEOBJECTSWHILECRIPUNISHESANINCREASEINCHROMASINCEITINCREASESTHECOLOURDIFFERENCECOMPAREDTOTHATUNDERTHEREFERENCEILLUMINANT,THEPREFERENCEINDEXOFTHECOLOURQUALITYSCALE10CQSMETRICPUNISHESTHELIGHTSOURCEONLYINTHECASETHATTHECHROMAOFTESTCOLOURSDECREASESORTHEHUEOFTESTCOLOURSSHIFTSUNDERTHETESTILLUMINANTASINCREASESINSAMPLESETGAMUTARECLOSELYRELATEDTOINCREASESOFCHROMA,THELATTERCANALSOBEACHIEVEDBYOPTIMIZINGLIGHTSOURCESPECTRAFORTHEFEELINGOFCONTRASTINDEX11FCIINTHECASEOFFASHIONSTORES,THECOLOURHARMONYIMPRESSIONOFTHECUSTOMEROFTENHASASIGNIFICANTEFFECTONTHEDECISIONTOPURCHASEINTHESECASES,THELIGHTSOURCESPECTRUMCANBEOPTIMIZEDACCORDINGTOTHEHARMONYRENDERINGINDEX123SMALLSCALEACCEPTANCESTUDY31BASICSETUPASMALLSCALESTUDYHASBEENCARRIEDOUTFORFOURCATEGORIESOFTESTSAMPLESCOLOURTEXTILES,VEGETABLESANDFRUITS,MEATPRODUCTSANDBAKERYPRODUCTSTHECATEGORIESREPRESENTEDOBJECTSCOMMONLYFOUNDINARETAILENVIRONMENTEACHCATEGORYHASDIFFERENTREQUIREMENTSFORTHESPECTRALDISTRIBUTIONOFTHEILLUMINATIONTHEEXPERIMENTALSETUPCONSISTEDOFTWOCOLOURBOXESWITHADJUSTABLEILLUMINATIONSPECTRUMEACHBOXWASLITTOANILLUMINANCEOF500LXTHESIZEOFEACHBOXWAS50CM?50CM?50CMANDITWASOBSERVEDFROMADISTANCEOF150CMTHEPOSITIONOFTHEHEADOFTHEOBSERVERWASKEPTINPLACEBYACHINRESTINTHEEYETRACKINGSYSTEMTHESETUPOFTHEEXPERIMENTALENVIRONMENTINCLUDINGTHEEYETRACKINGSYSTEMINTHELOWERLEFTCORNERANDTHECOLOURBOXESINTHEUPPERRIGHTPARTISSHOWNINFIGURE1EACHCATEGORYCONTAINEDFOUROBJECTSTOBEEVALUATEDFORPREFERENCEFORDIFFERENTCOLOURS,INDIVIDUALLY,INTHEDOUBLELIGHTINGBOOTHFOREXAMPLE,THETEXTILECATEGORYCONTAINEDARED,BLUE,BROWNANDLIGHTGREENSAMPLEITMAYHAPPENTHATUNDERACERTAINSPDTHEAPPEARANCEOFTHEREDPATCHISPREFERREDBUTATTHESAMETIMETHEAPPEARANCEOFTHEBLUEPATCHISDISLIKEDTHEREFORE,THEEXPERIMENTSREGARDINGPREFERENCEHAVEBEENCONDUCTEDONEACHOBJECTINTHESCENARIOINDIVIDUALLYFIGURE2ANDTABLE1SHOWANOVERVIEWOFTHEFOURCATEGORIESWITHTHEFOURDIFFERENTOBJECTSI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    • 簡(jiǎn)介:INTJADVMANUFTECHNOLDOI101007/S0017000605057ORIGINALARTICLEHUICHAOSHANGYOUPINGCHENWENYONGYUZUDEZHOUONLINEAUTODETECTIONMETHODANDSYSTEMOFPRESSWORKQUALITYRECEIVED1SEPTEMBER2005/ACCEPTED25OCTOBER2005/PUBLISHEDONLINE11APRIL2006SPRINGERVERLAGLONDONLIMITED2006ABSTRACTANONLINEAUTODETECTIONMETHODANDSYSTEMOFPRESSWORKQUALITYISSTUDIEDINTHISPAPERANEVALUATIONCRITERIONFORREALTIMEGATHEREDIMAGESOFMULTICOLORPRINTINGISPROPOSEDINTEGRATEDDESIGNINGANDOPTIMIZINGMAKEITTRANSPARENTTHEKEYFACTORSINFLUENCINGTHEREALTIMEPERFORMANCEOFADETECTIONALGORITHMASUBSPACEBASEDREGISTRATIONALGORITHMTHATACCELERATEDTHESEARCHSPEEDISPRESENTED,ANDTHEDYNAMICREFRESHINGOFAREFERENCEIMAGEAVOIDEDTHECUMULATIVEDEPARTUREANDIMPROVEDTHEREGISTRATIONPRECISIONTOOBTAINTHEPOSITIONANDGEOMETRICCHARACTERISTICSOFVARIOUSDEFECTSINREALTIME,AMETHODOFTHRESHOLDINGBYCLUSTERANDLINEBYLINESCANNINGOFADYNAMICARRAYISPROPOSEDTOEXTRACTANDMERGEDEFECTSFINALLY,GEOMETRICCHARACTERISTICSANDSTATISTICSPARAMETERSAREADOPTEDTOCLASSIFYANDIDENTIFYTHEMASSIVEDEFECTS,DISCRETEDOTSDEFECTS,ANDLINEARDEFECTSAMOTIONIMAGEACQUISITIONSYSTEMANDDISTRIBUTEDCOMPUTERPROCESSINGSYSTEMAREDESIGNEDEXPERIMENTALSTUDYANDPRACTICALRUNNINGINDICATESTHATDEFECTSINCLUDINGSTRIA,SPLASHINK,BLOWBY,FOREIGNBODIES,ETCCOULDBEDETECTED,DISPLAYED,STORED,ANDWARNEDINREALTIMETHEDETECTIONSPEEDREACHED250M/MINANDTHEPRECISIONREACHED0375MMINTHERUNNINGDIRECTIONAND015MMINTHECROSSINGDIRECTIONKEYWORDSONLINEDETECTIONAUTOMATICDETECTIONPRESSWORKQUALITYIMAGEPROCESSING1INTRODUCTIONBYTHEINTEGRATIONOFDESIGNINGANDPROCESSINGCONTROLINFORMATION,MACHINEVISIONSYSTEMSCOULDOBTAINVASTAMOUNTSOFINFORMATIONQUICKLYANDEASILYTHEREFORE,MACHINEVISIONTECHNOLOGYHASBEENRECEIVINGALOTOFATTENTIONRECENTLYASANINSPECTIONMETHOD,ANDHASBEENAPPLIEDINALLKINDSOFINDUSTRYINSPECTIONPROCESSES,SUCHASPOSTBONDING1,DEFECTSOFSTEELSURFACES2,FABRICINSPECTION3,FAULTOFWATERBOTTLES4,COINSDETECTION5,ETCTHEONLINEDETECTIONOFPRESSWORKFALLSINTOTHEAPPLICATIONOFMACHINEVISIONINTHEINDUSTRYDETECTIONDOMAINTHECUSTOMDETECTIONMETHODSTOPRESSWORKINCLUDEMANUALRECHECKINGAFTERPRESSWORK,NAKEDEYEOBSERVATIONONLINE,MONITORINGTHROUGHMONITORPROCESSESANDRANDOMINSPECTION,ETC,ANDHAVETHEDISADVANTAGESTHATINCLUDESEVEREWASTEOFROUGHMATERIAL,VISUALFATIGUE,RANDOMINSPECTIONUNABLETOGUARANTEETHEOVERALLQUALITY,ANDSOONWITHTHEDEVELOPINGOFPRESSTECHNOLOGY,THEINCREASINGOFPRESSSPEED,ANDTHECOMPLEXITYOFDATAANDINFORMATION,THEMANUALMODESOFPRINTINGQUALITYCONTROLHAVEALREADYBECOMEUNFITFORTHEPRACTICEDEMANDOFTHEPRESSINDUSTRYTOGUARANTEETHEPRINTINGQUALITYOFPRESSWORKOVERALLANDRAISETHEPRODUCTIONRATE,ITISESSENTIALTOPERFORMREALTIMEONLINEQUALITYDETECTIONFORPRESSWORKINRECENTYEARS,THEWIDEAPPLICATIONOFHIGHSPEEDCCDINDUSTRIALCAMERATECHNOLOGYANDHIGHPERFORMANCEMICROCOMPUTERSHAVEPROVIDEDBETTERHARDWAREPERFORMANCESFORTHEREALIZINGOFREALTIMEONLINEQUALITYDETECTION6THESTUDYOFHIGHREALTIMEPERFORMANCEALGORITHMSANDTHERESEARCHOFONLINEAUTOMATICDETECTIONSYSTEMSTOPRESSWORKHAVEBEENPRESENTEDTOCOPEWITHTHECUSTOMERDEMANDTHEDRIVINGFORCEBEHINDTHESEMACHINEVISIONSYSTEMSISTHE20–40REDUCTIONINPRINTWASTE,ANDTHESYSTEMSALLOWPRESSESTOOPERATEATHIGHSPEEDANDALSOENABLEPACKAGEPRINTERSTOMEETTHEPRODUCTIVITYREQUIREMENTSNECESSARYTOENSURELASTINGCUSTOMERSATISFACTION7APPLICATIONSPECIFICMACHINEVISIONSYSTEMSORVIDEOINSPECTIONSYSTEMSDEVELOPEDFORTHEPRINTINGINDUSTRY,LIKEALLMACHINEVISIONPRODUCTS,CAPTUREANIMAGEFROMEITHERANAREACAMERAORALINEARARRAYTHEIMAGESAREDIGITIZEDANDMANIPULATEDINVARIOUSWAYS,DEPENDINGONTHESPECIFICNICHEAPPLICATIONSTHATTHESYSTEMISDESIGNEDHCSHANGYPCHENWYYUZDZHOUROOM107,D8ENGINEERINGRESEARCHCENTEROFNUMERICALCONTROLSYSTEM,SCHOOLOFMECHANICALSCIENCEANDENGINEERING,HUAZHONGUNIVERSITYOFSCIENCEANDTECHNOLOGY,430074WUHAN,HUBEI,PEOPLE’SREPUBLICOFCHINAEMAILSH_HC126COMTEL862787541482332007756–765TOSATISFYTHISREQUIREMENT,ANOPTICSYSTEMTHATCOULDIMPLEMENTHIGHSPEEDIMAGEACQUISITIONSHOULDBEDESIGNEDTHEOPTICSYSTEMOFIMAGEACQUISITIONISCOMPOSEDOFACAMERA,LENS,ILLUMINATIONSYSTEM,ETCATR33LINESCANCAMERAOFTHEDALSACORPORATIONISADOPTEDINTHEDETECTIONSYSTEMTHEPIXELNUMBERPERLINEIS2,048ANDITSLINERATEISEQUALTO11KHZ,WHICHFULFILSTHEDEMANDSOFTHEIMAGEACQUISITIONSYSTEMFORHIGHSPEEDMOTIONTARGETSTHREEHIGHPERFORMANCELINESCANSENSORS3CCDCOLLECTHIGHQUALITYIMAGEINFORMATIONFROMTHEPRISMANDPASSESITTOTHEINTEGRATEDSIGNALPROCESSINGCIRCUITS,ANDTHISALLOWSTHECAMERATOADAPTTOVARIATIONSINTHEINTENSITYANDSPECTRAOFTHEUTILIZEDLIGHTSOURCETHELENSADOPTEDINTHESYSTEMISANIKON50MMNORMALLENS,WHICHHASTHEMERITSOFLESSDISTORTION,HIGHREDUCTIONPERFORMANCE,HIGHSUITABILITYTOVARIOUSPOLARIZINGSCREENSTOMAKEITEASYTOCONTROLTHEDIRECTIONOFTHERAYSENTERINGTHELENS,ANDALARGEAPERTURE,WHICHCANFULFILLTHEDEMANDOFAHIGHSPEEDSHUTTERINRELATIONTOTHELIGHTQUANTITYINTHECONDITIONSOFHIGHSPEEDMOVEMENTTHEDESIGNOFTHEILLUMINATIONSYSTEMISANIMPORTANTELEMENTOFMACHINEVISIONSYSTEMDESIGNTHEILLUMINATIONSYSTEMOFANACQUISITIONDEVICESHOULDENSURETHATTHEGATHEREDIMAGEHASLESSDISTORTION,LESSDEFORMATION,NOAPPARENTCOLORCAST,ANDNOREFLECTHALATIONANDGLAREONONEHAND,BUTITSHOULDALSOENSURETHATTHEACQUIREDIMAGEHASFLORIDCOLOR,DISTINCTDETAILS,UNIFORMITYOFINTENSITY,ETCONTHEOTHERHANDBYTHECONSIDERATIONOFTHESPECTRUM,COLORTEMPERATURERANGE,LIFE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    • 簡(jiǎn)介:外文標(biāo)題THESTRUCTUREANDEVOLUTIONOFTRADERELATIONSBETWEENCOUNTRIESALONGTHEBELTANDROAD外文作者JUNGWONSONN,ET,AL文獻(xiàn)出處JOURNALOFGEOGRAPHICALSCIENCES,2018,28912331248(最新的哦)英文3598單詞,19887字符,中文5198漢字。(字?jǐn)?shù)可根據(jù)需要自己進(jìn)行刪減)此文檔是外文翻譯成品,無(wú)需調(diào)整復(fù)雜的格式哦下載之后直接可用,方便快捷價(jià)格不貴。THESTRUCTUREANDEVOLUTIONOFTRADERELATIONSBETWEENCOUNTRIESALONGTHEBELTANDROADABSTRACTTRADEFACILITATIONISONEOFTHEFIVEMAINAGENDASOFTHEBELTANDROADINITIATIVEBRISOCIALNETWORKANALYSISHASHELPEDUNDERSTANDTHECOMPLEXITYOFTRADENETWORKS,BUTEXISTINGSTUDIESTENDTOOVERLOOKTHEFACTTHATNOTALLBILATERALTRADERELATIONSAREEQUALLYIMPORTANTTOACOUNTRYTOFILLTHISGAPINTHELITERATURE,THISPAPERFOCUSESONTHETOP2TRADERELATIONSNETWORKSTOILLUMINATETHESTRUCTUREANDEVOLUTIONOFBINTERNATIONALTRADECOMMUNITYCOREDETECTIONTOPTRADEPARTNER1INTRODUCTIONTHEBELTANDROADINITIATIVE‘BRI’,HEREAFTERPROPOSEDBYCHINESEPRESIDENTXIJINPINGIN2013FOUNDITSWAYINTOTHENEWREVISEDCHARTEROFTHECHINESECOMMUNISTPARTYINOCTOBER2017,GIVINGTHEBRIAFIRMCONSTITUTIONALSTATUSASPARTOFCHINA’SNEWTHINKINGABOUTOPENDEVELOPMENTTHEBRIREFERSTOTHEOVERLANDSILKROADECONOMICBELTTHEBELTANDTHE21ST2METHODOLOGY21DATAANDCOMPLETEINTERNATIONALTRADENETWORKOFTHEBELTANDROADCOUNTRIESFROMASOCIALNETWORKANALYSISPOINTOFVIEW,INTERNATIONALTRADECOMPRISESANETWORKINWHICHTHENODESARECOUNTRIESANDCONNECTIONSBETWEENNODESOREDGESARETHETRADERELATIONSBETWEENTHOSECOUNTRIESDATAFROM2000TO2016FROMTHEIMFDIRECTIONOFTRADESTATISTICSDOTSWASUSEDASONEOFTHEMOSTFREQUENTLYUSEDTRADEDATABASES,ITPROVIDESDATAONTHEINTERNATIONALDISTRIBUTIONOFEACHCOUNTRY’SEXPORTSANDIMPORTSBECAUSEMOSTSTATESREPORTIMPORTSINCIFVALUESIEINCLUDINGCOST,INSURANCEANDFREIGHTANDEXPORTSINFOBVALUESIEFREEONBOARD,THERECORDEDTOTALGLOBALIMPORTSEXCEEDSTHATOFEXPORTSINTHISSTUDY,IMPORTDATAWASUSED,ASSTATESTENDTOMONITORIMPORTSMORECLOSELYTHANEXPORTSBARBIERIETAL,2009SOTHATIMPORTDATAISCONSIDEREDTOBEMOREACCURATETHANEXPORTDATASMITHANDWHITE,1992KIMANDSHIN,2002DESPITEBEINGAFFECTEDBYTHE2008GLOBALECONOMICCRISIS,THECOMPLETETRADENETWORKOFTHEBRCOUNTRIESFROM2009TO2016DEVELOPEDVERYSLOWLY,EVENBECOMINGUNSTABLEFIFTYEIGHTNEWTRADETIESEMERGEDINTHISSEVENYEARPERIOD,BUTTHEREWASALSOANOTICEABLEFLUCTUATIONINTHENUMBEROFTIESANDTHEDENSITYANDDEGREEOFCENTRALIZATIONDURINGTHECRISISANDPOSTCRISISPERIODSTHENUMBEROFTRADETIESSTAYEDRELATIVELYSTEADYBETWEEN2164AND2188INTHEPERIODFROM2009TO2012,SUDDENLYINCREASINGTO2216IN2014,DECREASINGTO2192ONEYEARLATER,ANDTHENINCREASINGTO2222IN2016,WITHANOVERALLINCREASEOF58NEWTRADERELATIONSTHISMAYINDICATETHATTHEBRCOUNTRIESWERESTILLABLETOFINDNEWTRADEPARTNERS,DESPITETHESHORTPERIODOFSTAGNATIONIMMEDIATELYAFTERTHE2008ECONOMICCRISISONTHEWHOLE,THESMALLINCREASEINBOTHTHEDENSITYANDTHEDEGREECENTRALIZATIONOFTHEBRTRADENETWORKDURINGTHISTURBULENTPERIODIMPLIESTHATBRCOUNTRIESMIGHTHAVESTARTEDTORECOVERFROMTHEECONOMICSLOWDOWNANDTHATSOMECOUNTRIESCONTINUEDTOSTRENGTHENTHEIRTIESWITHKEYTRADEPARTNERSWHILESHEDDINGNONESSENTIALTIESTHEREFORE,FURTHERFOCUSONACOUNTRY’STOPTRADEPARTNERSMIGHTBEMOREUSEFULINUNDERSTANDINGTHEREALPICTUREOFTHEINTERNATIONALTRADENETWORKOFTHEBRCOUNTRIESZHOUETAL,201622COMMUNITYDETECTIONAPPROACHALONGWITHDESCRIPTIVESTATISTICS,COMMUNITYDETECTIONILLUMINATESTHEFEATURESOFTHETOPNETWORKS,ESPECIALLYTHEIRSTRUCTURALCHARACTERISTICSTHEREAREANUMBEROFPUBLICLYAVAILABLETOOLSFOREXPLORINGCOMPLEXNETWORKSGEPHI,FOREXAMPLE,ISANOPENSOURCEPLATFORMWITHANALYTICALANDDATAVISUALIZATIONFUNCTIONSTHESOFTWARERUNSONWINDOWSGEPHIPROVIDESMANYCOMMONMETRICSFORSOCIALNETWORKANALYSISSNAANDSCALEFREENETWORKS,MEASURINGTHECENTRALITY,DENSITY,CLUSTERINGCOEFFICIENTS,PATHLENGTHS,COMMUNITYDETECTION,ETCOFGRAPHSMANYSOCIALNETWORKANALYSTSCHOOSEGEPHIBECAUSEITISEXTREMELYPOWERFULINVISUALIZATIONANDCOMMUNITYDETECTIONITALLOWSUSERSTOINTERACTWITHTHEREPRESENTATIONANDTOMANIPULATETHESTRUCTURES,SHAPES,ANDCOLOURSTOREVEALHIDDENPATTERNSANDUSERSCANCUS
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    • 簡(jiǎn)介:中文中文2821字外文翻譯題目目中國(guó)的農(nóng)業(yè)革命中國(guó)的農(nóng)業(yè)革命1中國(guó)的農(nóng)業(yè)革命中國(guó)的農(nóng)業(yè)革命一個(gè)國(guó)外觀點(diǎn)認(rèn)為,盡管中國(guó)農(nóng)民成了政府優(yōu)先扶持改革的重點(diǎn),但是國(guó)外的購(gòu)買者,食品加工廠還是盡可能的從中國(guó)農(nóng)場(chǎng)尋找農(nóng)產(chǎn)品。走進(jìn)一家典型的北京超市,西方世界的感覺(jué)如今越來(lái)越明顯。大量的西方產(chǎn)品,有些是進(jìn)口的,有些是本地產(chǎn)的,還有由本地產(chǎn)的西式食品。在一個(gè)最近的農(nóng)業(yè)貿(mào)易展覽會(huì),買方從世界各地紛紛到達(dá)北京下達(dá)食品訂單。這是因?yàn)樗麄冋J(rèn)為中國(guó)的食品有供應(yīng)保障及很大的購(gòu)買優(yōu)勢(shì)。無(wú)論一個(gè)人對(duì)質(zhì)量怎么看,人們常常感覺(jué)中國(guó)的農(nóng)產(chǎn)品缺乏安全保障。在中國(guó),最主要的農(nóng)產(chǎn)品是,大米,黃豆,小麥,豬肉,除此之外,還有一些令人眼花繚亂的植物。其中有些是本地生的,有些引進(jìn)于海外。當(dāng)前,限制中國(guó)農(nóng)業(yè)發(fā)展的最大因素被認(rèn)為是技術(shù)落后以及限制出口。依照聯(lián)合國(guó)糧農(nóng)組織(FAO)數(shù)據(jù),中國(guó)本土豬肉部門在2002年總值為44000000美元,排名世界第一。大米是最簡(jiǎn)單的也是最重要的商品,其總值在2002達(dá)180000000美元。其次的,新鮮的蔬菜,玉米,甜馬鈴薯和小麥在下一輪的價(jià)格談判中可分別相應(yīng)的賺取133000000美元,120000000美元,89000000美元。在玉米生產(chǎn)上中國(guó)落后于美國(guó),但在大米生產(chǎn)上遙遙領(lǐng)先于印度。是大米最大生產(chǎn)國(guó)。根據(jù)FAO,中國(guó)的大米出口量相當(dāng)于印度的大米總產(chǎn)量,為一億二千三百萬(wàn)。中國(guó)正在生產(chǎn)大量的高質(zhì)量食品,但是在國(guó)內(nèi)2/3的人口生活在鄉(xiāng)下,務(wù)農(nóng)是最不受歡迎的職業(yè),超過(guò)9億人生活在農(nóng)村,其中包括5億務(wù)農(nóng)者,1億8000萬(wàn)進(jìn)城務(wù)工者。這些勞動(dòng)者大量地流入到像北京上海這樣的沿海的急速發(fā)展的城市,因?yàn)槟抢镉性S多建筑性的工作需要?jiǎng)趧?dòng)力。伴隨著農(nóng)村勞動(dòng)力剩余,質(zhì)量欠佳和技術(shù)不足,食品安全和有機(jī)作物成為了中國(guó)農(nóng)業(yè)界熱議的話題。如果中國(guó)農(nóng)民想在高標(biāo)準(zhǔn)的WTO中取得成功,就必須做出引人注目的產(chǎn)品。盡管有干旱和來(lái)自WTO其他會(huì)員國(guó)的競(jìng)爭(zhēng),農(nóng)業(yè)部門還是在2002年出現(xiàn)好轉(zhuǎn)。目前本國(guó)鄉(xiāng)下的巨大市場(chǎng)還沒(méi)有開(kāi)發(fā)成生產(chǎn)者的天堂,國(guó)內(nèi)需求受到抑制,因?yàn)閮?nèi)地的銷售方式不靈活,造成城鄉(xiāng)收入差距逐漸擴(kuò)大。農(nóng)產(chǎn)品出口在2002年創(chuàng)造了一個(gè)新的記錄,谷類出口上升一個(gè)百分點(diǎn),達(dá)到475000000噸,大豆也達(dá)到歷史最高水平。為16500000噸(出自國(guó)家統(tǒng)計(jì)局)。這是自1999年來(lái),第一次谷物出口呈現(xiàn)逐年恢復(fù)的趨勢(shì)。這種趨勢(shì)是否能繼續(xù)是不確定的,因?yàn)榉N植谷物的土地正因?yàn)檎呐κ湛s而減少。惡劣的空氣和沙漠化使得政府將更多的土地作為林地使用。在成為WTO成員國(guó)的第一年,中國(guó)總共出口200000噸優(yōu)質(zhì)小麥。決策者制訂了一個(gè)更有韌性的以市場(chǎng)為導(dǎo)向的谷物政策鼓勵(lì)生產(chǎn)者面對(duì)其他國(guó)內(nèi)的,以及國(guó)際市場(chǎng)的競(jìng)爭(zhēng)。然而無(wú)論在哪,質(zhì)量永遠(yuǎn)是關(guān)鍵?!爸亟M”在農(nóng)業(yè)決策圈已經(jīng)成為了一個(gè)流行用
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    • 簡(jiǎn)介:此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品(含英文原文中文翻譯),無(wú)需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題ASPNETOVERVIEW外文作者RUSSBASIURA,MIKEBATONGBACAL文獻(xiàn)出處PROFESSIONALASPNETWEBSERVICES,2018,341356如覺(jué)得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文2121單詞,14009字符字符就是印刷符,中文3683漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。)ASPNETOVERVIEWASPNETISAUNIFIEDWEBDEVELOPMENTMODELTHATINCLUDESTHESERVICESNECESSARYFORYOUTOBUILDENTERPRISECLASSWEBAPPLICATIONSWITHAMINIMUMOFCODINGASPNETISPARTOFTHENETFRAMEWORK,ANDWHENCODINGASPNETAPPLICATIONSYOUHAVEACCESSTOCLASSESINTHENETFRAMEWORKYOUCANCODEYOURAPPLICATIONSINANYLANGUAGECOMPATIBLEWITHTHECOMMONLANGUAGERUNTIMECLR,INCLUDINGMICROSOFTVISUALBASIC,C,JSCRIPTNET,ANDJTHESELANGUAGESENABLEYOUTODEVELOPASPNETAPPLICATIONSTHATBENEFITFROMTHECOMMONLANGUAGERUNTIME,TYPESAFETY,INHERITANCE,ANDSOONASPNETINCLUDES?APAGEANDCONTROLSFRAMEWORK?THEASPNETCOMPILER?SECURITYINFRASTRUCTURE?STATEMANAGEMENTFACILITIES?APPLICATIONCONFIGURATIONTHEASPNETPAGEANDCONTROLSFRAMEWORKALSOPROVIDESFEATURESTOCONTROLTHEOVERALLLOOKANDFEELOFYOURWEBSITEVIATHEMESANDSKINSYOUCANDEFINETHEMESANDSKINSANDTHENAPPLYTHEMATAPAGELEVELORATACONTROLLEVELINADDITIONTOTHEMES,YOUCANDEFINEMASTERPAGESTHATYOUUSETOCREATEACONSISTENTLAYOUTFORTHEPAGESINYOURAPPLICATIONASINGLEMASTERPAGEDEFINESTHELAYOUTANDSTANDARDBEHAVIORTHATYOUWANTFORALLTHEPAGESORAGROUPOFPAGESINYOURAPPLICATIONYOUCANTHENCREATEINDIVIDUALCONTENTPAGESTHATCONTAINTHEPAGESPECIFICCONTENTYOUWANTTODISPLAYWHENUSERSREQUESTTHECONTENTPAGES,THEYMERGEWITHTHEMASTERPAGETOPRODUCEOUTPUTTHATCOMBINESTHELAYOUTOFTHEMASTERPAGEWITHTHECONTENTFROMTHECONTENTPAGEALLASPNETCODEISCOMPILED,WHICHENABLESSTRONGTYPING,PERFORMANCEOPTIMIZATIONS,ANDEARLYBINDING,AMONGOTHERBENEFITSONCETHECODEHASBEENCOMPILED,THECOMMONLANGUAGERUNTIMEFURTHERCOMPILESASPNETCODETONATIVECODE,PROVIDINGIMPROVEDPERFORMANCEASPNETINCLUDESACOMPILERTHATWILLCOMPILEALLYOURAPPLICATIONCOMPONENTSINCLUDINGPAGESANDCONTROLSINTOANASSEMBLYTHATTHEASPNETHOSTINGENVIRONMENTCANTHENUSETOSERVICEUSERREQUESTSINADDITIONTOTHESECURITYFEATURESOFNET,ASPNETPROVIDESANADVANCEDSECURITYINFRASTRUCTUREFORAUTHENTICATINGANDAUTHORIZINGUSERACCESSASWELLASPERFORMINGOTHERSECURITYRELATEDTASKSYOUCANAUTHENTICATEUSERSUSINGWINDOWSAUTHENTICATIONSUPPLIEDBYIIS,ORYOUCANMANAGEAUTHENTICATIONUSINGYOUROWNUSERDATABASEUSINGASPNETFORMSAUTHENTICATIONANDASPNETMEMBERSHIPADDITIONALLY,YOUCANMANAGETHEAUTHORIZATIONTOTHECAPABILITIESANDINFORMATIONOFYOURWEBAPPLICATIONUSINGWINDOWSGROUPSORYOUROWNCUSTOMROLEDATABASEUSINGASPNETROLESYOUCANEASILYREMOVE,ADDTO,ORREPLACETHESESCHEMESDEPENDINGUPONTHENEEDSOFYOURAPPLICATIONASPNETALWAYSRUNSWITHAPARTICULARWINDOWSIDENTITYSOYOUCANSECUREYOURAPPLICATIONUSINGWINDOWSCAPABILITIESSUCHASNTFSACCESSCONTROLLISTS
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    • 簡(jiǎn)介:畢業(yè)設(shè)計(jì)(論文)外文資料翻譯畢業(yè)設(shè)計(jì)(論文)外文資料翻譯系部計(jì)算機(jī)科學(xué)與技術(shù)系專業(yè)計(jì)算機(jī)科學(xué)與技術(shù)(專升本)姓名學(xué)號(hào)外文出處IEEEINTERNATIONALCONFERENCEONCOMPUTERANDINFORMATIONTECHNOLOGY指導(dǎo)老師評(píng)語(yǔ)指導(dǎo)老師評(píng)語(yǔ)簽名年月日一個(gè)權(quán)限的難題ANDROID智能手機(jī)上安裝應(yīng)用程序的權(quán)限2就必須花費(fèi)25的手續(xù)費(fèi)來(lái)開(kāi)通自己的個(gè)人賬號(hào),通過(guò)上傳自己的應(yīng)用程序軟件,并從中獲取利潤(rùn)。當(dāng)然,ANDROID市場(chǎng)是不會(huì)去檢查你的應(yīng)用程序到底包含哪些基本信息。然而,這對(duì)ANDROID用戶是非常不利的。對(duì)此谷歌來(lái)完成這項(xiàng)保護(hù)ANDROID手機(jī)用戶的任務(wù)。通過(guò)調(diào)查我們提供給ANDROID用戶兩種安裝選擇。1你是否愿意安裝此軟件到你的手機(jī)上2你是否信任開(kāi)發(fā)商去訪問(wèn)你的個(gè)人信息通過(guò)我們的走訪調(diào)查可知,大部分的ANDROID手機(jī)用戶都希望應(yīng)用程序提供詳細(xì)的權(quán)限安裝問(wèn)題,并表示這是對(duì)于手機(jī)安全性的一個(gè)必不可少的環(huán)節(jié)。ANDROID用戶還提出應(yīng)該由用戶自己選擇什么時(shí)候彈出權(quán)限消息提示框,這樣做的目的是為了減少給客戶到來(lái)不必要的麻煩。2相關(guān)工作相關(guān)工作雖然ANDROID手機(jī)僅僅只是在2008年發(fā)布后的不久誕生的,但是有一個(gè)重要的工作需要我們?nèi)ネ瓿傻?,那就是學(xué)習(xí)ANDROID手機(jī)的權(quán)限安全性問(wèn)題。提出這個(gè)重要的理論依是根據(jù)對(duì)ANDROID手機(jī)運(yùn)行的安全性或者提高系統(tǒng)的安全性能出發(fā)的。EYCK的相關(guān)的工作主要是研究ANDROID系統(tǒng)的安全性和面向用戶權(quán)限之間的差異化,重點(diǎn)分析在ANDROID用戶關(guān)閉手機(jī)的時(shí)候,通過(guò)權(quán)限請(qǐng)求消息與手機(jī)之間建立通信功能。VIDA的主要工作是研究如何讓ANDROID應(yīng)用程序接受請(qǐng)求權(quán)限,通過(guò)研究后來(lái)發(fā)現(xiàn),權(quán)限存在一個(gè)“權(quán)限危機(jī)”的現(xiàn)象。由于ANDROID提供的API文檔接口與用戶實(shí)際接受的應(yīng)用程序請(qǐng)求消息無(wú)法建立連接,所以這就是開(kāi)發(fā)人員現(xiàn)在面臨的一個(gè)主要難題。FELT主要工作是揭秘ANDROID權(quán)限的工作原理,試圖進(jìn)一步解釋權(quán)限的開(kāi)發(fā)商為什么要怎么開(kāi)發(fā)。然而,無(wú)論是最終用戶探討這些應(yīng)用程序權(quán)限的理解。在我們的工作調(diào)查中發(fā)現(xiàn)雖然ANDROID手機(jī)用戶明明知道安裝一個(gè)應(yīng)用程序可能存在風(fēng)險(xiǎn)或者病毒,但是還是有很多ANDROID用戶試圖為自己找借口忽略這些安裝權(quán)限消息提示框,常常抱怨為什么安裝一個(gè)應(yīng)用程序軟件要怎么多麻煩的權(quán)限消息提示框。另一些人看待ANDROID應(yīng)用程序權(quán)限問(wèn)題的態(tài)度是試圖去簡(jiǎn)化應(yīng)用程序權(quán)限的安裝過(guò)程或者跟其他智能手機(jī)對(duì)比安裝權(quán)限的過(guò)程。通過(guò)ANDROID用戶的反饋信息我們可以得出一個(gè)結(jié)論ANDROID應(yīng)用程序權(quán)限安裝的過(guò)程中提供了全面的安裝信息給ANDROID手機(jī)用戶,然而ANDROID用戶對(duì)這些提供的信息往往是不怎么在意或者忽略。
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    • 簡(jiǎn)介:外文標(biāo)題RETRIEVALMODELSFORQUESTIONANDANSWERARCHIVES外文作者XIAOBINGXUE,JIWOONJEON,WBRUCECROFT文獻(xiàn)出處英文1589單詞,8698字符,中文2398漢字。此文檔是外文翻譯成品,無(wú)需調(diào)整復(fù)雜的格式哦下載之后直接可用,方便快捷只需二十多元。RETRIEVALMODELSFORQUESTIONANDANSWERARCHIVESXIAOBINGXUE,JIWOONJEON,WBRUCECROFTABSTRACTRETRIEVALINAQUESTIONANDANSWERARCHIVEINVOLVESFINDINGGOODANSWERSFORAUSER’SQUESTIONINCONTRASTTOTYPICALDOCUMENTRETRIEVAL,ARETRIEVALMODELFORTHISTASKCANEXPLOITQUESTIONSIMILARITYASWELLASRANKINGTHEASSOCIATEDANSWERSINTHISPAPER,WEPROPOSEARETRIEVALMODELTHATCOMBINESATRANSLATIONBASEDLANGUAGEMODELFORTHEQUESTIONPARTWITHAQUERYLIKELIHOODAPPROACHFORTHEANSWERPARTTHEPROPOSEDMODELINCORPORATESWORDTOWORDTRANSLATIONPROBABILITIESLEARNEDTHROUGHEXPLOITINGDIFFERENTSOURCESOFINFORMATIONEXPERIMENTSSHOWTHATTHEPROPOSEDTRANSLATIONBASEDLANGUAGEMODELFORTHEQUESTIONPARTOUTPERFORMSBASELINEMETHODSSIGNIFICANTLYBYCOMBININGWITHTHEQUERYLIKELIHOODLANGUAGEMODELFORTHEANSWERPART,SUBSTANTIALADDITIONALEFFECTIVENESSIMPROVEMENTSAREOBTAINEDKEYWORDSQUESTIONANDANSWERRETRIEVAL,TRANSLATIONMODEL,LANGUAGEMODEL,INFORMATIONRETRIEVALINTRODUCTIONLARGESCALEQUESTIONANDANSWERQAARCHIVESHAVEBECOMEANIMPORTANTINFORMATIONRESOURCEONTHEWEBTHESEINCLUDETHEFAQARCHIVESCONSTRUCTEDBYCOMPANIESFORTHEIRPRODUCTSANDTHEARCHIVESGENERATEDFROMWEBSERVICESSUCHASYAHOOANSWERSANDLIVEQNA,WHEREPEOPLEANSWERQUESTIONSPOSEDBYOTHERPEOPLETHERETRIEVALTASKINAQAARCHIVEISTOFINDRELEVANTQUESTIONANSWERPAIRSFORNEWQUESTIONSPOSEDBYTHEUSER6QARETRIEVALHASSEVERALADVANTAGESOVERWEBSEARCHFIRST,THEUSERCANUSENATURALLANGUAGEINSTEADOFONLYKEYWORDSASAQUERY,ANDTHUSCANPOTENTIALLYEXPRESSHIS/HERINFORMATIONNEEDMORECLEARLYSECOND,THESYSTEMRETURNSSEVERALPOSSIBLEANSWERSDIRECTLYINSTEADOFALONGLISTOFRANKEDDOCUMENTS,ANDCANTHEREFOREINCREASETHEEFFICIENCYOFFINDINGTHEREQUIREDANSWERSQARETRIEVALCANALSOBECONSIDEREDASANALTERNATIVESOLUTIONTOTHEGENERALQUESTIONANSWERINGQAPROBLEMSINCETHEANSWERSFOREACHQUESTIONINTHEQAARCHIVEAREGENERATEDBYHUMANS,THEDIFFICULTQATASKOFEXTRACTINGACORRECTANSWERWITHTHEQUESTIONPARTS,THEANSWERPARTS,ANDTHEQUESTIONANSWERPAIRS,RESPECTIVELYCONCLUSIONANDFUTUREWORKQARETRIEVALHASBECOMEANIMPORTANTISSUEDUETOTHEPOPULARITYOFQAARCHIVESONTHEWEBINTHISPAPER,WEPROPOSEANOVELTRANSLATIONBASEDLANGUAGEMODELTOSOLVETHISPROBLEMOURAPPROACHCOMBINESTHETRANSLATIONBASEDLANGUAGEMODELESTIMATEDUSINGTHEQUESTIONPARTANDTHEQUERYLIKELIHOODLANGUAGEMODELESTIMATEDUSINGTHEANSWERPARTANEWTECHNIQUEWASDESCRIBEDFORUSINGDIFFERENTCONFIGURATIONSOFQUESTIONANSWERPAIRSTOIMPROVETHEQUALITYOFTHETRANSLATIONPROBABILITYESTIMATESTHERETRIEVALEXPERIMENTSDEMONSTRATEDTHEEFFECTIVENESSOFBOTHTHERETRIEVALMODELANDTHEESTIMATIONTECHNIQUEOUREXPERIMENTSWERECONDUCTEDONONETYPEOFQAARCHIVE,WHICHWASCOLLECTEDFROMAWEBSERVICEWHEREPEOPLEANSWERQUESTIONSPOSEDBYOTHERPEOPLEFURTHERWORKWILLFOCUSONTESTINGTHEEFFECTOFTHEPROPOSEDRETRIEVALMODELONFAQARCHIVESWEALSOPLANTOWORKONDATAFROMYAHOOANSWERS,WHICHISPOTENTIALLYAMUCHLARGERCOLLECTIONTHANWONDIRTHENEWEXPERIMENTSWILLUSEQUESTIONSDERIVEDFROMTHISDATAOTHERTECHNIQUESFORCOMBININGTHEMODELSESTIMATEDFROMTHEQUESTIONANDANSWERPARTSWILLBEINVESTIGATEDINADDITION,PHRASEBASEDMACHINETRANSLATIONMODELSHAVESHOWNSUPERIORPERFORMANCECOMPAREDTOWORDBASEDTRANSLATIONMODELSINTRANSLATIONAPPLICATIONSWEPLANTOSTUDYTHEEFFECTIVENESSOFTHESEMODELSINTHEQASETTINGREFERENCES1ABERGER,RCARUANA,DCOHN,DFREITAG,ANDVMITTALBRIDINGTHELEXICALCHASMSTATISTICALAPPROACHESTOANSWERFINDINGINPROCEEDINGSOFTHE23RDANNUALINTERNATIONALACMSIGIRCONFERENCEONRESEARCHANDDEVELOPMENTININFORMATIONRETRIEVAL,PAGES192–199,20002ABERGERANDJLAFFERYINFORMATIONRETRIEVALASSTATISTICALTRANSLATIONINPROCEEDINGSOFTHE22NDANNUALINTERNATIONALACMSIGIRCONFERENCEONRESEARCHANDDEVELOPMENTININFORMATIONRETRIEVAL,PAGES222–229,19993PFBROWN,VJDPIETRA,SADPIETRA,ANDRLMERCERTHEMATHEMATICSOFSTATISTICALMACHINETRANSLATIONPARAMTERESTIMATIONCOMPUTATIONALLINGUISTICS,192263–311,19934JJEONSEARCHINGQUESTIONANDANSWERARCHIVESIR,UNIVERSITYOFMASSACHUSETTS,AUGUST20075JJEON,WBCROFT,JLEE,ANDSPARTAFRAMEWORKTOPREDICTTHEQUALITYOFANSWERSWITHNONTEXTUALFEATURESINPROCEEDINGSOFTHE29THANNUALINTERNATIONALACMSIGIRCONFERENCEONRESEARCHANDDEVELOPMENTININFORMATIONRETRIEVAL,PAGES228–235,20066JJEON,WBCROFT,ANDJHLEEFINDINGSIMILARQUESTIONSINLARGEQUESTIONANDANSWERARCHIVESINPROCEEDINGSOFTHE14THACMCONFERENCEONINFORMATIONANDKNOWLEDGEMANAGEMENT,PAGES84–90,20057VJIJKOUNANDMDERIJKERETRIEVINGANSWERSFROMFREQUENTLYASKEDQUESTIONSPAGESONTHEWEBINPROCEEDINGSOFTHE14THACMCONFERENCEONINFORMATIONANDKNOWLEDGEMANAGEMENT,PAGES76–83,20058RJIN,AGHAUPTMANN,ANDCZHAITITLELANGUAGEMODELFORINFORMATIONRETRIEVALINPROCEEDINGSOFTHE25THANNUALINTERNATIONALACMSIGIRCONFERENCEONRESEARCHANDDEVELOPMENTININFORMATIONRETRIEVAL,PAGES42–48,2002
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    • 簡(jiǎn)介:此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品(含英文原文中文翻譯),無(wú)需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題INTRODUCINGASPNETWEBFORMS外文作者ANDREWTROELSEN,PHILIPJAPIKSE文獻(xiàn)出處C60ANDTHENET46FRAMEWORK,2019如覺(jué)得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文4223單詞,24915字符字符就是印刷符,中文6689漢字。INTRODUCINGASPNETWEBFORMSUNTILNOW,ALLOFTHEEXAMPLESINTHISBOOKHAVEFOCUSEDONCONSOLEBASEDANDDESKTOPGRAPHICALUSERINTERFACESCREATEDUSINGTHEWPFPLATFORMTHEREMAINDEROFTHETEXTWILLEXPLOREHOWTHENETPLATFORMFACILITATESTHECONSTRUCTIONOFINTERNETBASEDAPPLICATIONSUSINGATECHNOLOGYNAMEDASPNETTHISANDTHENEXTTWOCHAPTERSCOVERASPNETWEBFORMS,ANDCHAPTER34COVERSASPNETMVCANDASPNETWEBAPITOBEGIN,YOU’LLQUICKLYOVERVIEWANUMBEROFKEYWEBDEVELOPMENTCONCEPTSHTTP,HTML,CLIENTSIDESCRIPTING,POSTBACKSANDEXAMINETHEROLEOFMICROSOFT’SCOMMERCIALWEBSERVERIISASWELLASTHATOFTHEIISEXPRESSNOTETHISCHAPTERANDTHENEXTTWOCOVERASPNETWEBFORMS,THEORIGINALWEBDEVELOPMENTFRAMEWORKINNETCHAPTER34COVERSASPNETMVCANDASPNETWEBAPI,TWOFAIRLYRECENTADDITIONSTOTHEASPNETFAMILYOFFRAMEWORKWITHTHISBRIEFWEBPRIMEROUTOFTHEWAY,THEREMAINDEROFTHISCHAPTERWILLCONCENTRATEONTHESTRUCTUREOFTHEASPNETWEBFORMPROGRAMMINGMODELINCLUDINGTHESINGLEPAGEANDCODEBEHINDMODELANDEXAMINETHEFUNCTIONALITYOFTHEPAGEBASECLASSALONGTHEWAY,YOU’LLBEINTRODUCEDTOTHEROLEOFASPNETWEBCONTROLS,THEDIRECTORYSTRUCTUREOFANASPNETWEBSITE,ANDHOWTOUSEAWEBCONFIGFILETOCONTROLTHERUNTIMEOPERATIONOFYOURWEBSITESFIGURE311THEHTTPREQUEST/RESPONSECYCLEHTTPISASTATELESPROTOCOLANOTHERASPECTOFWEBDEVELOPMENTTHATISMARKEDLYDIFFERENTFROMTRADITIONALDESKTOPPROGRAMMINGISTHEFACTTHATHTTPISESSENTIALLYASTATELESSWIREPROTOCOLASSOONASTHEWEBSERVERSENDSARESPONSETOTHECLIENTBROWSER,EVERYTHINGABOUTTHEPREVIOUSINTERACTIONISFORGOTTENTHISISCERTAINLYNOTTHECASEINATRADITIONALDESKTOPAPPLICATION,WHERETHESTATEOFTHEEXECUTABLEISMOSTOFTENALIVEANDKICKINGUNTILTHEUSERSHUTSDOWNTHEMAINWINDOWOFTHEAPPLICATIONGIVENTHISPOINT,ASAWEBDEVELOPER,ITISUPTOYOUTAKESPECIFICSTEPSTO“REMEMBER”INFORMATIONSUCHASITEMSINASHOPPINGCART,CREDITCARDNUMBERS,ANDHOMEADDRESSESABOUTTHEUSERSWHOARECURRENTLYLOGGEDONTOYOURSITEASYOUWILLSEEINCHAPTER33,WEBFORMSPROVIDENUMEROUSWAYSTOHANDLESTATE,USINGTECHNIQUESSUCHASSESSIONVARIABLES,COOKIES,ANDTHEAPPLICATIONCACHEASWELLASTHEWEBFORMSPROFILEMANAGEMENTAPIUNDERSTANDINGWEBAPPLICATIONSANDWEBSERVERSAWEBAPPLICATIONCANBEUNDERSTOODASACOLLECTIONOFFILESEG,HTML,ASPX,IMAGEFILES,XMLBASEDFILEDATAANDRELATEDCOMPONENTSSUCHASANETCODELIBRARYSTOREDWITHINAPARTICULARSETOFDIRECTORIESONAWEBSERVERASSHOWNINCHAPTER33,WEBFORMSAPPLICATIONSHAVEASPECIFICLIFECYCLEANDPROVIDENUMEROUSEVENTSSUCHASINITIALSTARTUPORFINALSHUTDOWNTHATYOUCANHOOKINTOINORDERTOPERFORMSPECIALIZEDPROCESSINGDURINGYOURWEBSITE’SOPERATIONAWEBSERVERISASOFTWAREPRODUCTINCHARGEOFHOSTINGYOURWEBAPPLICATIONSITTYPICALLYPROVIDESANUMBEROFRELATEDSERVICESSUCHASINTEGRATEDSECURITY,FILE
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    • 簡(jiǎn)介:I摘要本次60KV變電站電氣部分設(shè)計(jì),首先對(duì)變電站變壓器的負(fù)荷計(jì)算和無(wú)功補(bǔ)償進(jìn)行了系統(tǒng)的計(jì)算,其中通過(guò)對(duì)變電所的負(fù)荷狀態(tài)和自然條件來(lái)對(duì)負(fù)荷計(jì)算進(jìn)行系統(tǒng)的計(jì)算分析,而電容器組總?cè)萘康拇_定是對(duì)補(bǔ)償電容器進(jìn)行計(jì)算的前提條件。其次確定了主變壓器的臺(tái)數(shù)、型式和容量。對(duì)電氣主接線的選擇,通過(guò)計(jì)算分析,確定了接線方式。短路計(jì)算是本次電氣設(shè)計(jì)重要的環(huán)節(jié),因?yàn)樗鼘?duì)電氣主接線、電氣設(shè)備、繼電保護(hù)、接地方式的選擇都起到了至關(guān)重要的作用。電氣設(shè)備要從母線、斷路器、隔離開(kāi)關(guān)、互感器等幾個(gè)方面選擇出最佳方案。繼電保護(hù)主要分為變壓器差動(dòng)保護(hù)、瓦斯保護(hù)、過(guò)電壓保護(hù)、過(guò)電流保護(hù),通過(guò)比較計(jì)算選擇最好的保護(hù)方式。防雷保護(hù)是通過(guò)分析計(jì)算來(lái)確定避雷針高度以及它的保護(hù)范圍。最后確定變電站的配電裝置和電氣平面的總布置。關(guān)鍵詞變壓器;短路計(jì)算;繼電保護(hù);防雷保護(hù)III目錄第1章緒論1第2章負(fù)荷分析及計(jì)算221對(duì)原始資料的分析222負(fù)荷計(jì)算2第3章無(wú)功補(bǔ)償431功率因數(shù)的補(bǔ)償及電容器的選擇432無(wú)功補(bǔ)償?shù)挠?jì)算5第4章主變壓器的選擇741變壓器的確定原則742本變電所主變壓器的選擇7421主變壓器數(shù)量的選擇7422主變壓器容量的選擇8第5章電氣主接線方案的設(shè)計(jì)951電氣主接線的一般問(wèn)題952變電所電氣主接線的設(shè)計(jì)9第6章短路電流計(jì)算1261短路計(jì)算的一般要求1262短路計(jì)算過(guò)程13第7章電氣設(shè)備的選擇與校驗(yàn)1971電氣設(shè)備選擇的基本要求1972各種設(shè)備的選擇20721母線的選擇20722斷路器選擇24723隔離開(kāi)關(guān)選擇27724電流互感器選擇2872510KV側(cè)高壓開(kāi)關(guān)柜的選擇30第8章變壓器繼電保護(hù)的設(shè)計(jì)3481繼電保護(hù)配置的一般問(wèn)題3482變壓器保護(hù)35821瓦斯保護(hù)35
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    • 簡(jiǎn)介:此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品(含英文原文中文翻譯),無(wú)需調(diào)整復(fù)雜的格式下載之后直接可用,方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題INTRODUCTIONTOPYTHON外文作者ASHWINPAJANKAR文獻(xiàn)出處RASPBERRYPISUPERCOMPUTINGANDSCIENTIFICPROGRAMMINGPP4355,2018如覺(jué)得年份太老,可改為近2年,畢竟很多畢業(yè)生都這樣做英文3011單詞,18011字符字符就是印刷符,中文4909漢字。(如果字?jǐn)?shù)多了,可自行刪減,大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。)INTRODUCTIONTOPYTHONINTHELASTCHAPTER,WELEARNEDIMPORTANTLINUXCOMMANDSANDHOWTOCONNECTTORASPBERRYPIFROMOTHERCOMPUTERSREMOTELYWEALSOLEARNEDHOWTOTRANSFERFILESTOANDFROMRASPBERRYPIINTHISCHAPTER,WEWILLGETSTARTEDWITHPYTHONLET’SBEGINTHISCHAPTERWITHANINTRODUCTIONTOPYTHONIPERSONALLYFINDPYTHONAMAZINGANDHAVEBEENENCHANTEDBYITPYTHONISASIMPLEYETPOWERFULPROGRAMMINGLANGUAGEWHENWEUSEPYTHON,IT’SEASYTOFOCUSONTHEIMPLEMENTATIONOFTHESOLUTIONTOAGIVENPROBLEM,SINCEPROGRAMMERSDONOTHAVETOWORRYABOUTTHESYNTAXOFTHEPROGRAMMINGLANGUAGEPYTHONPERFECTLYFITSTHEPHILOSOPHYOFRASPBERRYPI,WHICHIS“PROGRAMMINGFOREVERYONE”THAT’SWHYPYTHONISTHEPREFERREDPROGRAMMINGPLATFORMFORRASPBERRYPIANDMANYOTHERSBCSHISTORYOFPYTHONPYTHONWASDESIGNEDANDCONCEIVEDINTHELATE1980SITSACTUALIMPLEMENTATIONWASSTARTEDINLATE1989BYGUIDOVANROSSUMINCENTRUMWISKUNDEINFORMATICA\12\INTHEFACEOFAMBIGUITY,REFUSETHETEMPTATIONTOGUESS\13\THERESHOULDBEONEANDPREFERABLYONLYONEOBVIOUSWAYTODOIT\14\ALTHOUGHTHATWAYMAYNOTBEOBVIOUSATFIRSTUNLESSYOU’REDUTCH\15\NOWISBETTERTHANNEVER\16\ALTHOUGHNEVERISOFTENBETTERTHANRIGHTNOW\17\IFTHEIMPLEMENTATIONISHARDTOEXPLAIN,IT’SABADIDEA\18\IFTHEIMPLEMENTATIONISEASYTOEXPLAIN,ITMAYBEAGOODIDEA\19\NAMESPACESAREONEHONKINGGREATIDEALET’SDOMOREOFTHOSEFEATURESOFPYTHONTHEFOLLOWINGARETHEFEATURESOFPYTHONFORWHICHITHASBECOMEPOPULARANDBELOVEDINTHEPROGRAMMINGCOMMUNITYSIMPLEPYTHONISASIMPLEANDMINIMALISTLANGUAGEREADINGAGOOD,WELLWRITTENPYTHONPROGRAMMAKESUSFEELASIFWEAREREADINGENGLISHTEXTEASYTOLEARNDUETOITSSIMPLE,ENGLISHLIKESYNTAX,PYTHONISEXTREMELYEASYTOLEARNFORBEGINNERSTHATISTHEPRIMEREASONTHATNOWADAYSITISTAUGHTASTHEFIRSTPROGRAMMINGLANGUAGETOHIGHSCHOOLANDUNIVERSITYSTUDENTSWHOTAKEINTRODUCTIONTOPROGRAMMINGANDPROGRAMMING101COURSESANENTIRENEWGENERATIONOFPROGRAMMERSISLEARNINGPYTHONASTHEIRFIRSTPROGRAMMINGLANGUAGEEASYTOREADUNLIKEOTHERHIGHLEVELPROGRAMMINGLANGUAGES,PYTHONDOESNOTPROVIDEMUCHPROVISIONFOROBFUSCATINGTHECODEANDMAKINGITUNREADABLETHEENGLISHLIKESTRUCTUREOFPYTHONCODEMAKESITEASIERTOREADCOMPAREDWITHTHECODEWRITTENIN
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