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發表於:2021-05-18
問題詳情: ThomasEdison'sincandescent(白熾的)light-bulbwillhavebeenbroughttoanendby2016becauseitusestoomuchenergy.The"greatlighthope"toreplaceitisabulbmadefromlight-emi...
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發表於:2018-11-13
Iliketohaveawalkwiththebrightmoonlightintheevening.Thenightskyisverycleartoday,andthemoonhangingintheskylikeatracts,thewholecityisenvelopedbythelightofthemoonlight,allasi...
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發表於:2018-02-08
Do08Sailatustillhavefoglampandexaltedbrakelight?Motorcyclistsoftenslowbydownshiftingormerelyrollingoffthethrottle,thusnotactivatingthebrakelight.Whenthecaraheadsuddenlyfl...
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發表於:2017-12-30
Sheandfourotherbeaglesallproduceafluorescentproteinthatglowsredunderultravioletlight.ResearchershavediscoveredthatArcticreindeercanseeultravioletlightthatwouldblindhumans...
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發表於:2016-10-23
Theenergysourceforlaserbeammachiningisahighlyconcentratedbeamoflight.Thesun'sgravitationwasbendingthebeamoflight.Abeamoflightsweepovereachstilllife.Inthedistance,afuzzyb...
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發表於:2018-11-30
Oneoftheseisskincancer,especiallybasalandsquamouscellcarcinomas,amonglight-skinnedpeoples.Apetite,light-skinnedJamaicanwomansitswithherhusbandinacrowdedbeachsideicecreams...
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發表於:2018-02-24
Didyouseetheredlight?Police:Didn'tyouseetheredlight?Canyounotseetheredlightrighthere?Yourememberthewholeargument:Ihavetoseetheredlightinthecontextofthesemioticsystemtowh...
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發表於:2018-10-27
Likewise,theevilfiguresinlegendsorhistoryalsohavetheirshininglight.E.InspectcorneaforopacitiesbyshininglightatanAngletowardthecornera.Itisalsobelievedtheshininglightfromt...
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發表於:2021-12-13
Inthehalflighttheloud-speakerannouncesourarrivalatFengjie,andwemoorjustbeforedawn.Thekitchendoor:thekitchenshouldchoosewaterproof,sealinggooddoor,inordertoeffectivelybloc...
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發表於:2017-10-19
經典語錄Neverfadeinthedark,Justrememberyouwillalwaysburnasbright....
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發表於:2017-02-09
Hehadalightmealathome.Eatalightmealatnightloadedwithfreshveggies.Teaisnotjustadrinkbutalightmeal.HelivesinYanyuJiangnan,lookingforacoololdman,andIwearcoarseclothandclothi...
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發表於:2019-01-29
lightsourceTL84lightsourceCWFperceivedlightsourcecolorSafetyrequirementsofelectricallightsourceOftenusedstandardlightsourceissynchrotronradiationsourceandwallstabilizedar...
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發表於:2017-06-18
However,thescatteredlightisextremelyweakandthereforeyieldsaverylowsignal.Ramanspectroscopyworksbyshiningalaserlightontoamoleculeandthencollectingandanalysingthewavelength...
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發表於:2018-07-20
Onthesecondfloor,thependantlightwasarrangedlikethegrid.Theheightofthelightisarrangedbyadjustingthelengthandbalancewithanirregularceiling.Thisopen-planroomfeatureswoodenfl...
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發表於:2018-11-16
Theyareonlygoodenoughtolightafirewith.It'scoldintheroom.Let'slightafire.Let'slightafireintheliving-roomtonight.apieceofflintthatisstrucktolightafire.TeachingMotto:Educ...
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發表於:2017-04-06
shethought,shivering,andconsultedhernotebookagain,inthelevelredsunsetlight.Thecontrastofthewarmsunsetlightwiththecoolpurplesofthescenemakesthisimagestriking....
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發表於:2018-06-19
Thefeatureandthedistributionofdiffusedlightoftheobjectareanalyzedindetail.ThesecondorderdiffractionlightofRayleighscatteringlight,Ramanlight,diffusedlightandthefluorescen...
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發表於:2018-07-13
Old-styleincandescentlightbulbsgenerateheataswellaslight.Theprospectsofreplacingtoday’sinefficientincandescentlightbulbswithlong-lasting,low-powerLEDsareincreasing.Thela...
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發表於:2024-01-08
1、Inthatmercilessbrightlight,2、Herdiamondssparkledinthebrightlight.3、Thisisarayofbrightlightforourworld.4、Restinthisbrightlight,thesurestsignofbeingness.5、Thesnowont...
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發表於:2016-12-05
LEDSummaryLED(lightemittingdiode),light-emittingdiode,isasolidstatesemiconductordevices,whichcanbedirectlyconvertedintoelectricitytolight.Thelightsourceisalight-emittingd...
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發表於:2024-02-23
1、point-sourceoflight2、Asourceoflight,asacandle.3、Loveisthesourceofknowledgeasfireisthesourceoflight.4、Growthormovementofasessileorganismtowardorawayfromasourceofligh...
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發表於:2017-06-15
Themysteryhasnowcometolight.NewfactsabouttheancientEgypthaverecentlycometolight.The35-year-oldFodensaidthatheresearchedBinLadenbyusingsourcesprovidedbyinformantsthathave...
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發表於:2017-05-29
Shewasaleadinglightinthe2004“orangerevolution”.BecausePfizer,oncetheleadinglightofthedrugsindustry,isinserioustrouble.ItwasataroundthistimethatHamiltonmetNigelHenderson...
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發表於:2016-11-30
Severalkindsofstraylighttestmaterialsusedatpresentinourcountryhavebeenanalysedbyspectrophotometersonthestraylighttestprinciple.Sincethelaserlightispolarized,soaccordingto...
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發表於:2024-01-02
1、theinterplayoflightandshadow2、Severalgrasses,reflectingthesun,thelightonthegrassandthelightleakingfromthegroundshine,thegroundisamiscellaneousshadow,thegreenbetweenli...