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科技英语翻译__200句
1.Totran__itelectro__gneticwavestakesenergy.传送电磁波需要能量
2.Chemicalcontrolwilldomostofthingsinpestcontrol.化学防治能在病虫害防治中起主要作用
3.Itisnotuntilwiresareconnectedthatthepathiscompleted.直到导线接上以后,此电路才接通
4.Theoddsareheavilyagainstany__nbeingabletodotheworkinthefieldofabstracttheorythatEinsteinisdoing.对任何能从事爱因斯坦正在进行的抽象理论研究的人来说,条件都是极为不利的
5.Oscillatordesignisofanartratherthananexactscien__.与其说振荡器的设计是一门严谨的科学,不如说它是一门艺术
6.Arapiddecreasebyafactorof7wasobserved.发现迅速减少到(了)1/
77.Birdsandani__lswhichhuntatnighthaveeyeswhichcontainfewornoconesatallsotheycannotseecolors.凡是夜间觅食的飞禽走兽,因为眼睛中的视维细胞数量极少或根本没有,所以不能辨别颜色
8.Tsunamiissometimespowerfulenoughtodestroyacoastwisebuildingitstrikes.海啸有时威力很打,足可摧毁它所冲击的沿岸的建筑物
9.Noteverybodyisconvin__dtheLeaningTowerofPisareallycanbesaved.并非每个人都相信比萨斜塔真的能免于坍塌
10.Everycranehasa__rtainhittingcapacityrangingfromafewtonsto__nyhundredsoftons.每台起重机均有一定的起重力(量),该起重力(量)从几吨到几百吨不等
11.Thebestsolutioniscontinuetoredu__allsour__sofpollutionaffectingouratmousphere.最好的方法是继续减少影响大气层的各种污染物
12.Quantumchemistryisstillinitsinfancy.量子化学仍处于发展初期
13.Itisthesedrawbackswhichneedtobeeliminatedandwhichhaveledtothesearchfornewpro__sses.正是因为这些缺点需要消除,才导致了对新方法的探求
14.Real-timesystemsoftenneedextraordinaryprecautionstoguardagainstpossiblebreakdownofcomputer.实时系统往往需要特别小心,以防治计算机可能发生故障
15.Thesteamengineusesafireinaboilerratherthaninsidetheengine.蒸汽机所利用的是锅炉中的火,而不是发动机里边的火
16.Theprincipaladvantageoftheproductsisatwo-foldreductioninweight.这些产品的主要优点是重量减轻了1/
217.Ourpri__rypurposeinstudyingfatigueistounderstandwhyfailuresoccursothatwecanguardagainsttheminanoptimum__nner.我们研究疲劳的主要目的在于了解产生失效的原因,以便能以最佳的方式加以预防
18.Thissystemwillbuildontheknowledgeandexperien__gainedindevelopingtheexistingsuiteofsoftwareproducts.这个系统的基础是从__现有的成套软件产品中所获得的知识和经验
19.Allmetalsdonotconductelectricityequallywell.并非所有的金属的导电性能都同样好
20.Itmeansthatthe__ssofthecometcannothaveamountedtoasmuchasoneten-thousandthofthatoftheearth.这表明这颗彗星的质量甚至不到地球质量的万分之一
21.Inspectionprogramshelptodeterminewhentorepla__parts.检验计划有助于确定更换零件的时间
22.Manyhealth-consciouswomenincreasetheirriskbyrejectingredmeatwhichcontainsthemosteasilyabsorbedfromofiron.许多保健意识太强的女性也很危险,因为他们拒绝食用牛肉或羊肉等肉,而这些肉中所含的铁质量最容易被吸收
23.Theyconsideritnouseaddingmorecatalystsinthesolution.他们认为在溶液里再加催化剂没有用24Theentirecircuitshouldbecheckedagainstthesche__ticdiagram.应该对
25.Thisissobecausetheresistan__tomotionisessentiallyduetothedefor__tionoftherollingelementsandhen__isnotaslidingphenomenon.之所以这样,是因为对运动的阻力源于滚动零件的变形,而不是滑动现象
26.Theequipmentredu__dtheerrorprobabilitybyafactorof
5.该设备误差概率降低了(到)4/
527.Whatwecommonlycallmetalsareinfactnotmetalsbutalloys.我们通常称作金属的东西,实际上并不是金属,而是合金
28.AfewpeoplewereinfectedwiththeAIDSvirusthroughbloodtransfusions.曾有少数人通过输血传染上了艾滋病毒
29.Theperfor__n__ofthe__chineisshortoftherequirements.这台机器的性能没有达到要求
30.The__joradvantagesofthetransistorasusedinelectroniccircuitsarelightweight,s__llspa__,lowpowerconsumption.使用在电子电路中的晶体管的主要优点是重量轻,体积小,耗电量低
31.Thespecificmethodofcuttingshouldbeemployedtodecreasethegenerationofanandanteamountofheat.应采用特殊的切割方法减少过多热量的产生
32.Whilethisrestrictiononthesizeofthecircuitholdsthelawisvalid.只要电路尺寸符合上述的限制,这条定律就能适应于该电路
33.The“weightless”conditionofastronautsinorbitabouttheeartharisesfromjustthiscan__llationofinertialandgravitationalfor__s.围绕地球运转时宇航员的“失重”状态,就是由于惯性力与引力相互抵消的结果
34.Itiswell-knownthatamovingelectricalchargegeneratesacircular__gneticfieldarounditspath众所周知,运动中的电荷在其路途周围产生一个环形磁场
35.Thecalculationofthevaluesinvolvesso__nyfactorsthatonlyacomputercancopewithit.这些数值的计算包含如此多的因子,以至于只有计算机才能对付得了
36.Whenthevoltageissteppedupbytentimesthestrengthofthecurrentissteppeddownbytentimes.电压身高9倍,电流强度便降低9/
1037.Howenergyand__tterbehavehowtheyinteractonewiththeotherandhowwecontrolthem__keupthesubstan__oftwobasicphysicalscien__sphysicsandchemistry.能量和物质具有什么特性,他们怎样相互作用以及我们如何控制它们,这就构成了物理和化学两门基础科学的内容
38.Forany__chinewhoseinputandfor__sareknownitsmechanicaladvantagecanbecalculated.对任何机器来说,如果知其输入力和输出力,就能求出其机械效率
39.Insuchcasesanantifrictionbearingmightbeapooranswer.这时如果用减摩轴承,可能不是一种好的解决方法
40.Theamountofheatgivenoutbytheheaterincreasesindirectproportiontothelengthoftimetheheaterison.加热器所放出的热量与加热器开的时间长短成正比
41.Whenoxygenwasblownintobacteriawasstimulatedtoeatthetoxicwastes.注入氧气后,促使细菌吞噬掉有毒的污物
42.Thebestsolutionthatscien__andmedicinehavecomeupwithsofaristhesleepingpillwhichisanothermixedblessing.迄今为止,科学和医学对此提出的最佳解决方案是___片,但这也是即有利又有弊
43.Itfollowsthatradarisanelectronicsystemforlocatingaircraftorcloudpatterns.由此可见,雷达是用来测定飞机位置或云形位置的电子系统
44.Anentirediskpackmightholdaround300millionbytesorcharacters.一个整磁盘可能容纳大约3亿个信息组和电码组合
45.Neverbeforehaveso__nypeopleappliedsuchabstract__the__ticstosogreatavarietyofproblems.从来没有过这么多的人,把如此抽象的数学用于解决种类如此繁多的问题
46.Thissortofmembraneistwi__thinnerthanordinarypaper.这种薄膜纸比普通纸张要薄一半
47.Electricchargespositiveandnegativewhichareresponsibleforelectricalfor__canwipeoneanotheroutanddisappear.产生电场的正负电荷会相互抵消掉
48.Withouttheozonelayerplantsandani__lswouldalsobeaffected.如果没有臭氧层,动植物也将受到影响
49.Withoutthelawsofmotionasabasisthousandsofdiscoveriesandinventionswouldhavebeenoutofthequestion.没有运动规律作为基础,就不可能有成千上万的发现和发明
50.ThespeciesthatliveonourEarthfromitsnaturalenviro__entandintheirdiversitythe__intainanintricatebalan__withtheEarthandwitheachother.生存在我们地球上的物种形成了它们的自然环境,它们以其多样性保持着与地球的平衡和互相间的平衡
51.Theimmunitysystemofahu__nbodyisbeautifullydesignedtomeetmostofitsproblems.人体免疫系统十分精妙,足以应付大部分疾病
52.Computerscomeinwidevarietyofsizeandcapabilities.计算机大小不一,能力各异
53.Itisaton__apparentthatthecurrentflowsthroughT1anT2onahalfandhalfbasisinthiscircuitconfiguration.一目了然,在这种电路中,电流平均的流过T1和T
254.Thistypeofturbineusuallyrotatesataveryhighspeedaround20000to25000r/m.这种涡轮机通常以非常高的速度运转,每分钟约为两万到两万五千转
55.Asthemolecularweightsincreasesodothemeltingandboilingpoints.随着分子量的增大,熔点和沸点也提高了
56.Switchingtimeofthenew-typetransistorisshortened3times.新型晶体管的开关时间缩短了2/
3.
57.Thewiremustnotbeincontactwiththeairoritwillbecomeoxidizedandburnout.金属丝不应与空气接触,否则会被氧化并烧毁
58.Entireepochshavebeennamedfor__terial.人们往往用某个材料来命名一个时代
59.Dynamicsisadisciplinethatcannotbe__steredwithoutextensivepracti__.动力学是一门要做大量练习才能掌握的学科
60.Thiscurrentchangingthe__gneticfieldwillchange.如果这一电流变化,磁场也会变化
61.Theycitedcasesofidenticaltwinsrearedindifferenthomeswhodevelopedverydifferentcharacteristicsdespiteidenticalheredity.他们列举了一些这样的事例,在不同的家庭抚养的一队双胞胎尽管遗传特性完全相同,但会养成完全不同的个性
62.Itgoeswithoutsayingthatagricultureengineeringinvolvesboththenaturalscien__sandthebiologicalscien__s.不言而喻,农业工程包括自然科学和生物学
63.Thehigh-voltagetran__issionlinesofmostpowerarearrangedasnetworks.大多数高压输电线按网路方式布局
64.Justastherateoftheflowofwatercanbemeasuredingallonspersecondsoistherateoftheflowofelectricitymeasuredinamperes.电流的流量用安培来计算,正像水的流量能够用每秒加仑来计量一样
65.Thehydrogenatomisnearly16timesaslightasoxygenatom.氢原子的质量约为氧原子的1/
1666.Theatmospherethereforeisheatedbycontactwiththesu_____andverticalmotiontherebyensures.这样,大气由于与地面接触而被加热,从而引起了垂直对流
67.Problemshouldberesolvedingoodtime.有问题要及时加以解决
68.Theimportan__ofproperlubricationcannotbeoveremphasized.应特别强调适当进行润滑的重要性
69.Aliquidis__detocirculatethroughpipesintherefrigeratorpickingupheatfromthefood.可以使某种溶液在冰箱的管子中环流,从而带走食物中的热量
70.Twospa__craftarebeinglaunchedtoprobetheatmosphereofVenus.将发射两个__器来探测金星的大气层
71.Afterthewarmuchofthisknowledgewaspouredintodevelopingofthecomputers.战后,这项知识大量的应用于研制计算机
72.Ithasbeenfoundthatthecurrentmechani__insemi-conductorsisentirelydifferentfromthatinmetalconductors.人们发现,半导体的电流原理与金属导体的电流原理完全不同
73.We__ypictureanatomas__deupofapositivenuclearsurroundedbyelectrons.我们可以设想原子的结构是一个带正电荷的原子核外面围着若干电子
74.Frictionalfor__stoo__yalsoactwhenthereisnorelativemotion.在没有相对运动的情况下,也可以有摩擦力的作用
75.Theproductionofintegratedcircuitshasbeenincreasedtothreetimesascomparedwithlastyear.集成电路的产量比去年增加了两倍
76.Providingthatweknowboththecurrentandresistan__thevoltagecanbecalculated.知道了电流和电阻,就能求出电压
77.Matteristransportedinacirculatorysystem.循环系统输送物质
78.Littleinfor__tionisgivenastotheoriginoflife.关于生命起源方面的资料极少
79.Lubricatedfrequentlybearingswillwear.即使经常给轴承润滑,还是会磨损
80.TwocablesthirtymileslongrunundertheseafromEnglishtoFran__.从英国到法国的海底,敷设了两条三十英里长的电缆
81.Indevelopingthedesignwemustconsiderthefeasibilityofpro__ssing.在进行设计时,必须考虑__的可能性
82.Itisimportanttolearnwhentheenviro__entisnotgoodforplantsandani__lsitisnotgoodfor__n.懂得当环境不利于动植物时也不利于人类这一点是很重要的
83.Theremightbea__ssiveblackholeatthe__nterofourgalaxyswallowingupstarsasaveryrapidrate.在银河系中心也许有一个巨大的黑洞正以极快的速度吞噬星球
84.Toos__llspacingamongtheplantstandsiscausativeofthecropfailure.株距太小是农作物歉收的原因
85.Theefficiencyofthe__chineshasbeenmorethantrebledorquadrupled.这个机器的效率已提高了2倍或3倍多
86.Asfarasawholeiscon__rnedthebodyiselectricallynaturalwhenthetotalnumberofprotonsequalsthetotalnumberofelectrons.当质子总数等于电子总数时,这个物体就整体而言是中性
87.Aspecialfundhasbeensetuptohelpthesenationsusenewchemicalsandtechnology.已经建立了特殊基金资助那些国家使用新的化学品和新技术
88.Themotordidnotstopbecausetheelectricitywasoff.电机停止运转,并非因为电源切断了__.Knowingthestrengthitispossibletoworkbackwardanddeterminewhatfactorofsafetywasused.由于知道其强度,便可以反过来求出所用的安全系数值
90.Whenthewireshavebeenjoinedcaremustbetakenthatwateranddampcannotgettothem.把线接好后,千万要注意,勿使接头处沾水或受潮
91.Otherisolationmethodsarebeingdeveloped.目前正在研究其他隔离方法
92.ItwasnotuntilMadameCuriediscoveredradiumthatpeoplehaveideaofwhatradioactivitywas.直到居里__发现了镭以后,人们才开始了解放射性93.Byconventionanatomofanelementisrepresentedbyanabbreviationoftheelement’sname.按照惯例,一种元素的原子由该元素名称的缩写来表示
94.Thealloyistoocheapforusnottouseitwidelyinindustry.这种合金造价很低,我们可以把它广泛的用于工业上
95.Aprotonweighsalmost2000timesasmuchasdoesanelectron.质子的重量几乎是电子重量的两千倍
96.Engineeringwhilenotabasicscien__drawsheavilyuponthescientificdisciplineswhenitgoestoanypracticalfield.虽然工程学不是一门基础学科,但是当它应用于任何一个实际领域时,都会大量的使用许多学科的知识
97.NocasehaseverbeenfoundinwhichConservationofEnergydoesn’thold.尚未发现能量守恒定律不适用的情况
98.Undernocircumstan__scanenergybecreatedordestroyed.在任何情况下,能量即不能创造,也不能消灭
99.Heatedwaterwillchangetovapor.水受热后就会汽化
100.Inanycaseworkdoesnotincludetimebutpowerdoes.在任何情况下,功都不包括时间,但功率包括时间
101.Beings__llandlight__kestransistorsmoreadvantageoustovacuumtubes.由于尺寸小,重量轻,晶体管由于真空管
102.Theearthquakemeasured
6.5ontheRichterscale.这次地震震级为
6.5里氏震级
103.Theyareregardedaselectronsmovingbackwardintime.他们被认为是逆着时间而逆时针运动的负电子
104.Withthebatteryterminalsreversedtheresultisverydifferent.如果将电池组的接头反接,结果完全不同
105.Lighttravelsattherateof300000kilometerspersecond.光以每秒30万千米的速度传播
106.Theproductionofintegratedcircuitshasbeenincreasedtothreetimesascomparedwithlastyear.集成电路的产量比去年增加了两倍
107.Thelymphdoesnotcirculateastheblooddoessoitsmovementdependslargelyonthesqueezingeffectofmusclecontractions.淋巴不能像血液那样循环,其运动很大程度上依赖肌肉收缩的挤压作用
108.Thevelocityoflightisasgreatasthatofradiowavesinvacuum.光的速度和无线电波在真空中的速度一样大
109.Anelectriccurrentprodu__sa__gneticfieldaroundit.电流在其周围产生磁场
110.Thespeedofthefissionisdifficulttocontrol.裂变的速度难以控制111.Compressorscanworkbythrowingoutdateunimportanttotheoverallqualityofthei__ge.压缩程序能删除那些对图像整体质量无足轻重的数据
112.Wemustreflectwhatmeasurestotakeincaseofanyaccidentalcollapseofabed.我们必须考虑一下如果床层意外崩塌应采取什么措施
113.Thisiswhattheinfor__tionsystemscommunityshouldbestrivingtoachieve.这是信息系统界应追求实现的东西___.Copperwithitsextremelyhighcoefficientofexpansionexpandsmoreduringheatingthansteeldoes.由于铜的膨胀系数特别高,铜在加热时比钢膨胀得多
115.Thetemperatureinthefurna__isnotalwaysabove1000℃.炉内的温度并不是每次都超过1000℃
116.Theoutputofchemicalfertilizerhasbeenraisedfivetimesasagainst
1986.化肥产量比1986年增加了4倍
117.Energyistheabilitytodoworkenergyisalsostoredwork.能是做功的能力,能也是储存的功
118.Theseatomsareseparatedbydistan__slargerthantheirdiameters.这些原子相隔距离的长度超过了它们的直径
119.Airisnotvisiblebutitis__tter.空气是看不见的,但空气是物质
120.Theimmunitysystemofahu__nbodyisbeautifullydesignedtomeetmostofproblems.人体免疫系统十分精妙,足以应付大部分疾病
121.Itisnotalwayspossibletodistinguishthemnonheritablevariations不可遗传变异fromheritablevariationswithoutperforminganexperiment.不进行试验要将其(不可遗传变异)与可遗传变异区分开来有时是不可能的
122.A__the__ticalorlogicaloperationmustmeeta__rtaincondition.数学操作或逻辑操作必须符合某种条件
123.Ifthebearingwerenotlubricatedtheywouldrapidlyoverheat.假如轴承未加润滑的话,轴承很快就过热了
124.Withitsgreatpotentialthewideuseofopticalcommunicationswillnotcomeovernight.虽然光通讯有巨大的发展潜力,但它不会在一夜之间就得到广泛的应用
125.Thenumberofknownhydrocarbonsrunsintotensofthousands.已知的碳氢化合物多达几万种
126.Arecordhighincreaseinvalueoffourtimeswasreported.据报道,价值破纪录地增长了3倍
127.Ifthetemperatureriseshighenoughthechangeinthealloystructurewilltakepla__.若温度升得很高,合金的结构便会发生变化
128.Transistorsneedmuchlesscurrentandprodu__muchlessheatthancomparableelectronicvales.与相应的电子管相比,晶体管需要的电流小得多,所产生的热也少得多
129.Theresistan__ofaconductoralsodependsonthekindofsubstan__thatitis__deof.导体的电阻也取决于组成该导体的物质的种类
130.Thebestwaytoachievethisisbyusingexistinginternetstandards.实现这一点最有效的方法就是使用现存的因特网的语言标准
131.Futureapplicationsforsuchasystemincludeverifyingcreditcardsignaturesandauto__tic____er__chinetransactions.这种系统未来的应用包括验证___上的签名和自动出纳机的业务132.Interactiveprogrammingconditionsarenowavailableforsomecommercialprogramminglanguages.交互编程环境现在能用于一些商用编程语言
133.Allwhohavestu___dthisquestionhavecometosameconclusion.研究了这一问题的人都得出了同样的结论
134.Ifthevacuumfailsitshouldbecorrectedwithoutdelay.如果真空破坏了,应立即校正
135.Thesemeasuresredu__dthenor__ldeath-ratetobelow
2.5per__nt.这些措施使人口的正常死亡率下降到
2.5%以下
136.Theefficiencyofthe__chineshasbeenmorethantrebledorquadrupled.这些机器的效率已提高了2倍或3倍多
137.SomemedicalresearchersthinkthatthattheHIVvirus__ynotbeenoughbyitselftotriggerAIDS.有些研究人员认为,HIV病毒本身也许并不足以引发艾滋病
138.Solidsexpandmuchlessthanliquidsorgases.固体的膨胀程度比液体和气体小得多
139.Itisimportanttolearnwhentheenviro__entisnotgoodforplantandani__lsitisnotgoodfor__n.懂得但环境不利于动植物时也不利于人类这一点是很重要的
140.Usuallythereisnone__ssitytofilterthisvoltagebeforeapplyingittotheload.这种电压用于负载时不必先滤波
141.Ex__ssadhesiveshallbecarefullyremovedtopreventrunningtoothersu_____s.擦去多余的粘结剂要十分小心,以免留到其他表面上142.Thefrequencywithwhichthefiltershouldberemovedinspectedandcleanedwillbedeterminedpri__rilybyaircraftoperatingconditions.过滤器拆卸,检查及清洗的次数,主要取决于飞机的运行状况
143.Toprotectheatfromescapingbyconvectionweusedalayerofairaboutaninchthick.我们使用约1英寸厚的空气层来防止对流引起的热量损失
144.Anatomcanloseoneormoreofitsouterelectronswithoutchangingitschemicalidentity.一个原子可能失去一个或数个外层电子,而不改变其化学性能
145.Theefficiencyofthebestofthesesteamlocomotivesisunder16per__nt.这些蒸汽机中,最佳者的效率也不足16%
146.Withtheresultofauto__tionproductivehasincreased6timesinthatfactory.自动化的结果,那个工厂的生产率增加了5倍
147.It__kesitselffeltinacircuitonlywhenthereisachangingcurrent.只是在电流发生变化时,它才会被人们所觉察
148.Inliquidthemoleculesaremuchclosertogetherthantheyareingases.在液体中,分子之间的距离比气体中近得多
149.Muchworkhasbeendoneinorderthatdatecanbetran__ittedbytelevision.人们已做了大量的工作,使情报资料可以通过电视来播送
150.Whenoxygenwasblownintobacteriawasstimulatedtoeatthetoxicwastes.当注入氧气后,促使细菌吞噬掉有毒的污物
151.Thepurposeofafoundationiscarryingtheloadofastructure.地基的作用是承受结构的载荷
152.Packagedsoftwareisdevelopedtoservethespecificneedsofoneuser.软件包的__只是为某一用户的特定需要服务的
153.Byconductivitywemeantheabilitytoconductanelectriccurrent.导电性就是指传到电流的能力
154.Withoutthetelescopemechanicswouldhavetakenaslowercourse.如果不是发明了望远镜,力学的发展可能会迟缓一些
155.Theoxygencontentofairisabout21%.空气中氧的含量约为21%
156.Themeltingpointofthismetalisgreaterthanthatofcopperbyapproxi__tely
2.5times.这种金属的熔点大约比铜高
1.5倍
157.Inflationcouldnotbecontrolledbutrathergotworseandworse.通货膨胀没有得到控制,反而越来越严重
158.Nowadaysmoreandmoreplasticproductsareusedinpla__ofmetal.现在,越来越多的塑料制品被用来替代金属
159.Muchoftheheatinsidetheearthisprodu__dbyradioactiveelements.地球内部的大部分热是由放射性元素说产生的
160.Thespecificmethodofcuttingshouldbeemployedtodecreasethegenerationofanundueamountofheat.应采用特殊的切割方法减少过多的热量的产生
161.WhattheTVcameradoesisbreakingthepictureupintoanumberoflinesconsistingofverys__llpointsoflight.摄像机的功能就是吧图像分解成许许多多由微小光点组成的线条
162.Noises__ydevelopinawornengine.磨损了的引擎里可能会产生各种噪音
163.Therearenoconstantsatallandmeasurementsoftimeandspa__dependonthepositionoftheobserver---theyarerelative.不存在什么恒量,时间和空间的测量结果取决于观察着的位置——它们是相对的
164.Thedensityoftheairvariesdirectlyaspressurewithtemperatureconstant.当温度不变时空气的密度同压力成正比
165.Atthesametimetheinfantmortalitydecreasedfromthe20%ofthe1960to10%ifthe
1990.同时婴儿死亡率从_____的20%降到1990的10%
166.Thelengthofthepro__sswasredu__dtofourtimes.进度缩短了1/
4167.Incaseofs__llcurrentmeasurementstheinsulating__terialsavailableareratherlimited.就小电流测量而言,可用绝缘体材料的选择相当有限
168.Theaccumulationofmoreandmoredetailsofthepro__ssleadstoamoreandmoreaccurateexplanationofitsmechani__.有关该过程的细节积累越来越多,对其机制的解释就越来越精确
169.Thereisarational__the__ticalapproachtoeverydesigndecision.每种设计策略都有一种合理的数学方法
170.Penicillinworksbynotallowingabacteriumtobuildits__llwall.青霉素的作用是不让细菌制造细胞壁
171.Thefunctionofacapacitorisstoringelectricity.电容器的功能是储存电
172.Shortsfrequentlydevelopwheninsulationisworn.绝缘被破坏时往往会发生短路
173.Amorecommonwayofjoiningthesemetalpie__stogetheristoweldthem.连接这种金属件一般都采用焊接方法
174.Theconductivityofsemi-conductorsincreaseswithheatingandfallswithcooling.半导体的导电率随温度上升而增加,随温度下降而减少
175.Anincreaseinoxygencontentofcoalby1%redu__sthecalorificvaluebysome
1.7%.煤的含氧量每增加1%,其热值则下降约
1.7%
176.Thewireistwotimesthinnerthanthat.这根导线比那根导线细2/
3177.Perhapslightissomesortofelectricwavewhosenaturewedonotyetunderstand.也许,光是某种电波,其特性我们尚不清楚
178.Theinflation__kestheeconomyofthisregionworseandworse.通货膨胀使得这个地区的经济越来越糟
179.Fillbothtubeswiththesamesolutionandseeifthesamereadingisobtainedwitheachofthem.在两个试管中倒入同样的溶液,查看两者的读数是否一致
180.Inspectionprogramshelptodeterminewhentorepla__parts.检验计划有助于确定更换零部件的时间
181.Beingcheapandeffective__kes
2.4-Daverypopularweedkiller.因为__便宜效力高,
2.4-D成为深受欢迎的除草剂
182.Sureenough80per__ntoftheplantsdevelopedthedisease.果然,80%的庄稼都染上了这种病
183.Blackholesshowusaworldwhichoperatesinatotallydifferentwayfromourownandtheyquestionourmostbasicexperien__ofspa__andtime.黑洞向我们展示了一个运动规律与我们这个世界完全不同的世界,他使我们对关于空间和时间的最基本的经验产生怀疑
184.Withmoreactivecatalystthereactionwascarriedoutcompletely.由于使用了活性较大的催化剂,反应进行的很彻底185.Movetothenextoperationafterthevoltagereaches150V.等电压到了150伏开始下一个操作
186.Anincreaseinlubricanttemperatureresultsin20per__ntlowerviscosity.由于润滑剂温度增高,引起粘度降低20%
187.Thediameterofthetubeistoos__lltoseewiththenakedeye.这根管子直径太小,用肉眼看不出来
188.Nuclearenergyisbeingusedmoreandmorewidely.核能用的越来越广泛了1__.Whetherironcomesincontactwithwaterorwithmoistureboth__keitrusty.无论是接触水还是接触潮气,铁都会生锈
190.Thebestsolutionistocontinuetoredu__allsour__sofpollutionaffectingouratmosphere.最好的办法是继续减少影响大气层的各种污染源
191.Inspectionprogramshelptodeterminewhentorepla__parts.检验计划有助于确定更换零部件的时间
192.Otherisolationmethodsarebeingdeveloped.目前正在研究其他隔离方法193.Ourspa__andtimelowsdon’tseemtoapplytoobjectsintheareaofablackhole.我们的空间和时间定律似乎不适用于黑洞地区的物体
194.ThemedicineforSARSisundertheinitialstageofanexperiment.治疗SARS的药品仍在实验初期
195.Testshaveshownthattheenergysavingcanriseabout40per__nt.试验证明,能量节约可达40%左右
196.Thespeedofthe__chinewasdecreasedbyafactoroffive.该机器的运转速度降低了4/
5197.Inflationcouldnotbecontrolledbutrathergotworseanworse.通货膨胀没有得到控制,反而越来越来严重
198.Moreandmorenuclearpowerstationsarebuiltup.建设了越来越多的核电站
199.Allofthechargesresidedonthesu_____oftheconductor.全部电荷都分布在导体表面
200.Itisne__ssarytodistinguishbetweenthetemperatureofabodyanditsheat.将物体的温度和热量区分开来是必要的。