科技英语翻译480句

科技英语翻译480句科技英语翻译480句(一）时间一，时间1.Whenawireisbrokenbybendingitbackandforthrapidly,someoftheworkistransformedintoheatandthewiregetshot.当把导线快速地（通过）来回弯曲折断时，部分功就转换成热，所以导线变热．2.Whenthemoonchangesitposition,sodotheorientationofthetide-generatingforcesandthepositionoftheequilibriumtide.当月亮的位置改变时，引潮力的取向和平衡潮的位置也改变了．3.Thewatervaporwillchangefromitsinvisiblestatetocondenseintovisiblemoisturewhenthedewpointtempratureisreched.当露点温度达到时，水气将从其看不见的状态凝结成可见的水分．4.Whenauserrequestsasetofresources,itmustbedeterminedwhethertheallocationoftheseresourceswillleavethesysteminsafestate.当用户要求一组资源时，必须确定这些资源的分配是否会让系统处于安全状态．5.Asthenumberofuserssharingthesegmentincreases,sodoesthedifficultyoffindinganacceptablesegmentnumber.当合同程序段的用户数目增加时，查找可接受的程序段的号码的困难也增加．6.Theairepressurebeginsfallingaccordinglyasatyphooncomesnear.随着台风的临近，气压开始下降．7.Whiletheyarewaitinginthereadyqueue,theI/Odevicesareidle.当它们在就绪队列中等待时，输入／输出装置则空闲着．8.Atthesametimethewavesarefanningout,theyarealsoseparatingbywavelength,aprocessknownasdispersion.当这些波向外扩散时，它们也在按波长分开，这一过程叫频散．9.Currentstarsflowingattheverymomentwhenweclosethecircuit.当我们一接通线路，电流马上就开始出现．10.MeteorlogyenteredaperiodofrapidadvanceaboutthetimetheBjerknes'cyclonemodelappeared.大约在Bjerknes的气旋模型问世前后，气象学进入了一个迅速发展的时期．11.Whileintheformofradiation,theenergymaytravelatremendousdistancebeforebeingabsorbedorchangedbackintoheat.当能量以辐射能形式存在时，可以在经过很长距离后，才被吸收或转化为热．12.Whenmovingoverland,atyphoonisgraduallydecreasedinseverity.当台风在陆地上移动时，其猛烈性逐渐减弱．13.Itisonlywhenparticlesarecloseenoughtoexertrelativelylargeforcesononeanotherthattheyareabletoseteachotherintothistypeofvibration.只有当粒子紧密到能够相互施加较大的力时，它们才能使彼此产生这样的振动．14.Onlywhenitsmelting-pointtemperatureisreacheddoesironstarttopassintoaliquid.只有当熔点温度达到时，铁才开始变成液体．15.Onlyifthecomponentvectorsareonastraightlinewillthelengthofthevectorforthesumbeequaltothesumofthelengthsofthesecomponentsortothierdifference.只有当几个分矢量在一直线上，那么表示其和的矢量长度才会等于这些分量的长度和或它们的差．16.Wheneveroccasionarisesintensiveobservationsaretobedonetogettheinformationonthefinestructureoftheatmosphericevent.每当必要时，应该进行加密观测以便获得这一大气事件的细微结构的资料．17.Wheneverawavemovesoutfromasourceinuniformmedium,ittravelsinstraightlines.每当（凡是）波从均匀介质中的波源移出时，它都呈现直线传播．18.Eachtimethecurrentchangesdirections,aperiodofnocurrent,knownasslackwater,intervenes.每当潮流改变方向时，中间都有一段叫做平潮的无潮流阶段．19.Asarule,thetemperatureinthetroposheredecreasessteadilywithincreasingaltitudeuntilthetropopauseisreached.通常对流层温度直到对流层顶都是随高度增加而不断地减小的．20.Thejetstreamwasnotfullyrecognizedasameteorologicalentityuntil1949.直到１９４９年急流才作为一种气象实体现象为人们充分认识到．21.TheseedsdidnotstartgerminatinguntillateMarchbecasueofalongspellofdrought.由于一段很长时间的干旱直到３月下旬这些种子才开始发芽．22.NotuntilAugust1974didtheexpeditionaryobervationsbegin.直到１９７４年８月考察（探险）活动才开始．23.Apieceofmetalleftinthesunrisesintemperatureuntilitlosesheatatthesamerateatwhileitabsorbsheat.一片放在阳光下的金属，其温度要上升到它吸收热量和失去热量的速率相等时才停止．24.Inthesimplestcase,westarttherequestedI/Oandwaituntilitiscompletebeforereturningcontroltotheuserprogram.在最简单的情况下，我们启动一个I/O请求，且一直等到它实现再（才）使控制器返回到用户程序．25.TheweatherremainedthesameuntilafterJune.那种天气一直维持到６月以后．26.Bythetimewiterbegins,coastalwatersarethoroughlymixed,withvirtuallynotempertureorsalinitydifferencesbetweensurfaceandbottomwaters.到冬季快要开始的时候，沿岸的海水已经彻底混合，表层和底层的水几乎没有什么温度差和盐度差了．27.Ifthereisapagefault,alltheoldvaluesarewrittenbackintomemorybeforethetrapoccurs.如果有页面错误，则在自陷中断产生之前，所有原来的数值都要写回存储器．28.Suchobservationsmustbeprocessedbeforewecanutilizethem.在我们能应用这些观测资料之前，它们必须进行处理．29.Butthirtyyearsweretoelapsebeforesuitableinstrumentswereavailabletoallowadetailedandsystematicinvestigation.但是竟然过了３０年才出现了适用的仪器让我们对之进行细微的系统的考察．30.Itwasafewyearsbeforeabreakthroughwasmadeinthisfield.过了几年在这一领域才有了突破．31.Smallobjectssuchasdustparticlesandwaterdropletsfallonlysmalldistancesbeforelosingmostoftheiracceleration.向尘埃和小水滴这种小物体只下降很短距离就失去它们的大部分加速度。32.Shipmayhavetowaitfordaysbeforefindingatimewhenincomingwavesandtidalcurrentsareright,permittingthemtoentertheharborwithsafety.船只必须等待多日才能等到合适的波和潮流，从而使得它们能安全地进港。33.Aftertheconceptoftemperaturebecameunderstood,thereweremanyyearsofscientificdevelopmentbeforethereadnatureofhestwasestablished.在人们理解了温度的概念以后，又经过多年的科学研究确定了热的真正性质。34.Evenafterairmassesmovefarfromtheiroriginalbreedinggroundsource,theymaystillberecognizedbytheircharacteristics.即使在气团远离其原来的生成源地以后，它们仍然可根据其属性而被识别出来。35.Sincethecomputercameintobeingscienceandtechnologyhavemadegreatadvances.自计算机问世以来，科学技术已取得巨大进展。36.ColdfogdispersalhasbeenanoperationalsuccessintheU.S.since1963.美国自1963年以来，冷雾消散在实际操作上一直是成功的。37.Fogdispersalresearchhassincefollowedtheline.自那时以来消雾研究一直遵循这个方向。38.Itisonlysincethe1980sthatmuchattentionhasbeengiventothephenomenon.只是从80年代以来，人们才很重视这一现象。39.Assoonasthetropopauseisreached,temperaturestopsdecreasingwithheight.一达到对流层，温度就停止随高度上升。40.ThestudyofelectricityhadhardlybegunwhenFranklin,in1752,conductedhisdangerouskiteexperimentinathunderstorm,foundingthescienceofatmosphericelectricity.电学研究刚一开始，富兰克林就于1752年在雷暴云中进行了危险的风筝试验，从而奠定了大气电学的基础。41.Thedatahadnosoonerbeenchartedthananalysiswasstarted.资料刚在图上填完，分析就开始了。42.Sprinklingcreateswaterparticlesintheairthatreduceoutgoingradiation,butplanttempera