科技英语９００句一，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．Bendingstrength抗弯强度Forth向前，以后，向外Backandforth来回地，往返breakforth突然，迸发，突发betransformedinto转变为..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．equilibriumtide平衡潮tide潮，趋势3.Thewatervaporwillchangefromitsinvisiblestatetocondenseintovisiblemoisturewhenthedewpointtempratureisreached.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．Vapor蒸汽、水汽[ˈveipə]dew露水[dju:]Invisible看不见的[inˈvizəbl]condenseinto凝结成，把。。。。压缩成moisture[ˈmɔistʃə]水分，湿气，湿度moisturetrap除潮器，脱水器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．bedeterminedto下定决心…allocation分配[ˌæləˈkeiʃən]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．当用户共享的段数增加，查找可接受段数的困难也增加了。Segment程序段[ˈseɡmənt]Acceptable可接受的Thesoilcontains30timestheacceptablelevelofradioactivity.这片土壤受到了高于标准30倍的辐射。Contain包含，克制6.Theairpressurebeginsfallingaccordinglyasatyphooncomesnear.随着台风的临近，气压开始下降．Accordingto依照accordingly因此，于是，依据，相应地Airpressureforcesthewaterthroughthepipe.空气压力使水通过管道。Theairpressureatthehotvalueinletdoesnotbecomeexcessivelylow.在热风阀进口处的风压不要变得太低。Inlet进口n，引入vexcessively[ɪkˈsesɪvlɪ]过度地，Coolanttemperatureandambientairpressuremaybeusedtooptimizecoldstartingandaltitudeperformance.冷却水温度和大气压力可用于使冷起动性能和高原性能最优化。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.Wheneveroccasionarisesintensi...
