科技英语翻译200句

1、科技英语翻译联系200旬1. to transmit electromagnetic waves takes energy彳专送电磁波需要自e最2. chemical control will do most of things in pest control.化学防治能在病虫害防治中起主要作用。3t is not until wires are connected that the path is completed直到导线接上以后，此电路才接通。4.the odds are heavily against any man being able to do the work in the f

2、ield of abstract theory that einstein is doing.对任何能从事爱因斯坦正在进行的抽象理论研究的人來说，条件都是极为不利的。5.oscillator design is of an art rather than an exact science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. a rapid decrease by a factor of 7 was observed.发现迅速减少至lj （了）1/707. birds and animals which hunt at night have eyes which cont

3、ain few or no cones at all,so they cannot see colors凡是夜间觅食的e禽走兽，因为眼晴中的视维细胞数量极少或根木没有,所以不能辨别颜色。8. ts un ami is sometimes powerful eno ugh to destroy a coastwise buildi ng it strikes 海啸有时威力很打，足可摧毁它所冲击的沿岸的建筑物。9. not everybody is convinced the leaning tower of pisa really can be saved并非每个人都相信比萨斜塔真的能免于坍塌。

4、10. every erane has a certain hitting capacity, ranging from a few tons to many hundreds of tons. 每台起重机均有一定的起重力（量），该起重力（量）从儿吨到儿百吨不等。11. the best solution is continue to reduce all sources of pollution affecting our atmousphere. 最好的方法是继续减少影响大气层的各种污染物。12. quantum chemistry is still in its infancy.量子化学

5、仍处于发展初期。13t is these drawbacks which need to be eliminated and which have led to the search for new processes.je是因为这些缺点需要消除，才导致了对新方法的探求。14. real-time systems often need extraordinary precautions to guard against possible break down of computer.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. the steam en gine uses a f

6、ire in a boiler rather tha n in side the en gine 蒸汽机所利用的是锅炉中的火，而不是发动机里边的火。16. the principal advantage of the products is a two-fold reduction in weight这些产品的主要优点是重量减轻了 1/2 o17.our primary purpose in studying fatigue is to understand why failures occur so that we can guard against them in an optimum m

7、anner.我们研究疲劳的主要目的在于了解产生失效的原因，以便能以蝕佳的方式加以预防。18. this system will build on the knowledge and experienee gained in developing the existing suite of software products这个系统的基础是从开发现冇的成套软件产品中所获得的知识和经验。19. all metals do not conduct electricity equally well.并非所有的金属的导电性能都同样好。20t means that the mass of the come

8、t cannot have amounted to as much as one ten-thousandth of that of the earth.这表明这颗彗星的质量其至不到地球质量的万分z 。21nspection programs help to determine when to replace parts. 检验计划有助于确定更换零件的时间。22. ma ny health-c on scious wome n in crease their risk by rejecti ng red meat,which con tains the most easily absorbed

9、 from of iron.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. they consider it no use adding more catalysts in the solution.他们认为在溶液里再加催化剂没有用。24the entire circuit should be checked against the schematic diagram应该对25. this is so because the resista nee to moti on is essentially due to the defor

10、mation of the rolling eleme nts an d,hence, is not a slidi ng phe no men on.z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. the equipment reduced the error probability by a factor of 5.该设备误差概率降低了（到）4/5o27. what we comm only call metals are in fact not metals but alloys 我们通常称作金属的东西，实际上并不是金属，而是合金。28. a few peopl

11、e were infected with the aids virus through blood transfusions.曾有少数人通过输血传染上了艾滋病毒。29. the performance of the machine is short of the requirements.这台机器的性能没有达到要求。30. the major advantages of the transistor as used in electronic circuits are light weight, small space, low power consumption 使用在电子电路中的晶体管的主

12、要优点是重量轻，体积小，耗电量低。31. the specific method of cutting should be employed to decrease the generation of an andante amount of heat.应采用特殊的切割方法减少过多热量的产生。32. while this restriction on the size of the circuit holds, the law is valid.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 "condition of astr

13、onauts in orbit about the earth arises from just this cancellation of inertial and gravitational forces.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。34t is well-k nown that a movi ng electrical charge gen erates a circular mag netic field aro und its patho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. the calculation of the

14、values involves so many factors that only a computer can cope with it.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. when the voltage is stepped up by ten times, the strength of the current is stepped down by ten times.电压身高9倍，电流强度便降低9/10。37. how energy and matter behave, how they interact one with the other, an

15、d how we control them make up the substanee of two basic physical sciences, physics and chemistry.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. for any machi ne whose in put and forces are known, its mecha nical adva ntage can be calculated.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。39n such cases an an

16、t讦riction bearing might be a poor answer.这时如果用减摩轴承，可能不是一种好的解决方法。4o.the amount of heat given out by the heater in creases in direct proporti on to the len gth of time the heater is on.加热器所放出的热量与加热器开的时间长短成正比。41. when oxygen was blow n in to, bacteria was stimulated to eat the toxic wastes 注入氧气后，促使细菌吞噬

17、掉有毒的污物。42. the best solution that scienee and medicine have come up with so far is the sleeping pill, which is another mixed blessing.迄今为止，科学和医学对此提岀的最佳解决方案是安眠药片，但这也是即有利又有弊。43t follows that radar is an electronic system for locati ng aircraft or cloud patter ns.由此町见，雷达是用来测定飞机位置或云形位置的电子系统。44. an entir

18、e disk pack might hold around 300 million bytes or characters.一个整磁盘可能容纳大约3亿个信息组和电码组合。45. never before have so many people applied such abstract mathematics to so great a variety of problems.从来没冇过这么多的人，把如此抽象的数学用于解决种类如此繁多的问题。46. this sort of membrane is twice thinner than ordinary paper.这种薄膜纸比普通纸张要薄一半

19、。47. electric charges, positive and negative, which are responsible for electrical force, can wipe one another out and disappear.产生电场的正负电荷会相互抵消掉。48. without the ozone layer, plants and animals would also be affected如果没有臭氧层，动植物也将受到影响。49. without the laws of motion as a basis, thousands of discoveries

20、 and inventions would have been out of the question.没冇运动规律作为基础，就不可能冇成t上万的发现和发明。50. the species that live on our earth from its natural environment, and in their diversity the maintain an intricate balanee with the earth and with each other.生存在我们地球上的物种形成了它们的b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. the immun

21、ity system of a human body is beaut讦ully designed to meet most of its problems. 人体免疫系统十分精妙，足以应付大部分疾病。52. computers come in wide variety of size and capabilities计算机大小不一， 能力各界。53t is at once apparent that the current flows through t1 an t2 on a half and half basis in this circuit configuration. 一 1=1

22、了然，在这种电路中，电流平均的流过t1和t2。54this type of turbine usually rotates at a very high speed, around 20,000 to 25,000r/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.as the molecular weights in crease, so do the melti ng and boili ng points.随着分子量的增大，熔点和沸点也提高了。56.switching time of the new-type transistor is shortened 3 t

23、imes.新型晶体管的开关时间缩短了 2/3.57. the wire must not be in contact with the air or it will become oxidized and burn out.金属丝不应与空气接触，否则会被氧化并烧毁。58. entire epochs have been named for material.人们往往用某个材料來命名一个时代。59. dynamics is a discipline that cannot be mastered without extensive practice 动力学是一门要做大量练习才能掌握的学科。60.

24、 this current changing the magnetic field will change如果这一电流变化，磁场也会变化。61. they cited cases of identical twins reared in different homes who developed very different characteristics despite identical heredity.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. it goes without saying that agricultur

25、e engineering involves both the natural sciences and the biological sciences.不言而喻，农业工程包括口然科学和生物学。63. the high-voltage transmission lines of most power are arranged as networks大多数高压输电线按网路方式布局。64. just as the rate of the flow of water can be measured in gall ons per sec on* so is the rate of the flow

26、of electricity measured in amperes.电流的流量用安培來计算，正像水的流量能够用每秒加仑來计量一样。65. the hydrogen atom is nearly 16 times as light as oxygen atom氢原了的质量约为氧原了的1/16 o66. the atmosphere, therefore, is heated by con tact with the surface and vertical moti on thereby ensures.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. problem should

27、 be resolved in good time.有问题要及时加以解决。68. the importanee of proper lubrication cannot be overemphasized.应特别强调适当进行润滑的重要性。69. a liquid is made to circulate through pipes in the refrigerator, picking up heat from the food. 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. two spacecraft are being launched to probe the at

28、mosphere of venus.将发射两个航天器来探测金星的人气层。71. after the war much of this knowledge was poured into developing of the computers 战后，这项知识大量的应用于研制计算机。72. it has bee n found that the cur re nt mechanism in semi-c on ductors is en tirely differe nt from that in metal conductors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

29、 may picture an atom as made up of a positive nuclear surrounded by electrons.我们可以设想原子的结构是一个带正电荷的原子核外血围着若干电子。74. frictional forces, too, may also act when there is no relative motion.在没有相对运动的情况f,也可以有摩擦力的作用。75. the product! on of integrated circuits has been in creased to three times as compared with

30、 last year.集成电路的产量比去年增加了两倍。76. providi ng that we know both the curre nt and resista nee, the voltage can be calculated 知道了电流和电阻，就能求出电压。77. matter is transported in a circulatory system .循坏系统输送物质。78. little information is given as to the origin of li他关于生命起源方面的资料极少。79. lubricated frequently, bearings

31、 will wear.hp使经常给轴承润滑，还是会磨损。80. two cables, thirty miles long, run under the sea from english to france.从英国到法国的海底，敷设了两条三十英里长的电缆。81. in developing the design, we must consider the feasibility of processing.在进行设计吋，必须考虑加工的可能性。82. it is important to learn when the environment is not good for plants and

32、animals, it is not good for man.ffi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. there might be a massive black hole at the center of our galaxy swallowing up stars as a very rapid rate.在银河系中心也许冇一个巨大的黑洞正以极快的速度吞噬星球。84. too small spaci ng among the plant sta nds is causative of the crop failure 株距太小是农作物歉收的原因。85. the

33、efficiency of the machines has been more than trebled or quadrupled.这个机器的效率已提高了 2倍或3倍多。86. as far as a whole is concerned, the body is electrically natural, when the total number of protons equals the total number of electrons当质子总数等于电了总数时，这个物体就整体而言是中性。87. a special fund has bee n set up to help thes

34、e n atio ns use new chemicals and tech no logy.己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. the motor did not stop because the electricity was off.电机停止运转，并非因为电源切断了。89. knowing the strength* it is possible to work backward and determine what factor of safety was used.由于知道其强度，便可以反过来求出所用的安全系数值。90. when the wires hav

35、e been joined, care must be taken that water and damp cannot get to them.把线接好后，千万要注意，勿使接头处沾水或受潮。91. other isolation methods are being developed. |=| 前正亦研究其他隔离方法。92. it was not until madame curie discovered radium that people have idea of what radioactivity was.直到居里夫人发现了镭以后，人们才开始了解放射性。93. by conventi

36、on an atom of an element is represented by an abbreviation of the element' s name.按照惯例，一-种元索的原子由该元素名称的缩写來表示。94. the alloy is too cheap for us not to use it widely in industry.这种合金造价很低，我们可以把它广泛的用于工业上。95. a proton weighs almost 2,000 times as much as does an electron.质子的重量儿乎是电子重量的两千倍。96. engineeri

37、ng while not a basic scienee, draws heavily upon the scientific disciplines when it goes to any practical field.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，都会大量的使川许多 学科的知识。97. no case has ever bee n found in which con servation of en ergy does n't hold. 尚未发现能量守恒定律不适用的情况。98. under no circumstances can energy

38、be created or destroyed在任何情况卜能量即不能创造，也不能消灭。99. heated, water will change to vapor.水受热后就会汽化。100. in any case work does not include time, but power does.在任何情况下，功都不包括时间，但功率包括时间。101. being small and light makes transistors more advantageous to vacuum tubes.由于尺寸小，重量轻，晶体管由于真空竹o102. the earthquake measured

39、 6.5 on the richter scale.这次地震震级为6.5里氏震级。103. they are regarded as electrons moving backward in time.他们被认为是逆着时间而（逆时针）运动的负电子。104. with the battery terminals reversed, the result is very d iff ere nt.如果将电池组的接头反接，结果完全不同。105. light travels at the rate of 300,000 kilometers per second.光以每秒30万千米的速度传播。106.

40、 the product! on of in tegrated circuits has been in creased to three times as compared with last year.集成电路的产量比去年增加了两倍。107. the lymph does not circulate as the blood does, so its movement depends largely on the squeezing effect of muscle con tractions.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. the velocit

41、y of light is as great as that of radio waves in vacuum光的速度和无线电波在真空屮的速度一样人。109. an electric current produces a magnetic field around it.电流在其周围产生磁场。110. the speed of the fission is difficult to control.裂变的速度难以控制。111. compressors can work by throwing out date unimportant to the overall quality of the

42、image. 压缩程序能删除那些对图像整体质量无足轻重的数据。112. we must reflect what measures to take in case of any accidental collapse of a bed.我们必须考虑一下如果床层意外崩塌应采取什么牯施。113. this is what the in formati on systems comm unity should be striving to achieve.这是信息系统界应追求实现的东西。114. copper, with its extremely high coefficient of expan

43、sion, expands more during heating than steel does.由于铜的膨胀系数特别高，铜在加热时比钢膨胀得多。115. the temperature in the furnace is not always above 1,000°c.炉内的温度并不是每次都超过1000 °c o116. the output of chemical fertilizer has been raised five times as against 1986.化肥产量比1986年增加了 4倍。117. energy is the ability to d

44、o work, energy is also stored work.能是做功的能力，能也是储存的功。118. these atoms are separated by distances larger than their diameters.这些原了相隔距离的长度超过了它们的直径。119. air is not visible, but it is matter.空气是看不见的，但空气是物质。120. the immunity system of a human body is beautifully designed to meet most of problems. 人体免疫系统十分精

45、妙，足以应付大部分疾病。121. it is not always possible to distinguish them （no nheritable variati ons 不可遗传变异）from heritable variations without performing an experiment.不进行试验要将其（不可遗传变异）与可遗传变异区分开来冇时是不可能的。122. a mathematical or logical operation must meet a certain condition.数学操作或逻辑操作必须符合某种条件。123. if the bearing w

46、ere not lubricated, they would rapidly overheat假如轴承未加润滑的话，轴承很快就过热了。124. with its great potential, the wide use of optical communicatio ns will not come over night 虽然光通讯有巨大的发展潜力，但它不会在一夜z间就得到广泛的应用。125. the number of known hydrocarbons runs into tens of thousands. 已知的碳氢化合物多达几万种。126. a record high in cr

47、ease in value of four times was reported 据报道，价值破纪录地增长了 3倍。127. if the temperature rises high eno ugh, the cha nge in the alloy structure will take place 若温度升得很高，合金的结构便会发生变化。128. transistors need much less current, and produce much less heat, than comparable electronic vales.与相应的电子管相比，晶体管需要的电流小得多，所产牛

48、的热也少得多。129. the resista nee of a con ductor also depe nds on the kind of substance that it is made of. 导体的电阻也取决于组成该导体的物质的种类。130. the best way to achieve this is by using existi ng in ter net sta ndards 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 future applicatio ns for such a system in elude verifyi ng credit c

49、ard sign atures and automatic teller machine transactions.这种系统未來的应用包插验证信用卡上的签名和自动出纳机的业务。132. interactive programming conditions are now available for some commercial programming languages.交互编程环境现在能用于一些商用编程语言。133. all who have studied this question have come to same conclusion.研究了这一问题的人都得出了同样的结论。134.

50、1 f the vacuum fails, it should be corrected without delay.如果真空破坏了，应立即校正。135. these measures reduced the normal death-rate to below 2.5 percent.这些措施使人口的正常死亡率下降到2.5%以下。136. the efficiency of the machines has been more than trebled or quadrupled这些机器的效率已提高了 2倍或3倍多。137 some medical researchers think tha

51、t that the hiv virus may not be eno ugh by itself to trigger aids.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. solids expand much less than liquids or gases固体的膨胀程度比液体和气体小得多。139. it is important to learn when the environment is not good for plant and animals, it is not good for man/1得但坏境不利于动杭物时也不利于人类这一点是很重要的。140

52、. usually there is no necessity to filter this voltage before applying it to the load 这种电压用于负载时不必先滤波。141. excess adhesive shall be carefully removed to prevent running to other surfaces擦去多余的粘结剂耍十分小心，以免留到具他表面上。142. the frequency with which the filter should be removed, inspected, and cleaned will be

53、determined primarily by aircraft operating conditions.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. to protect heat from escaping by convection, we used a layer of air about an inch thick.我们使用约1英寸厚的空气层來防止对流引起的热量损失。144. an atom can lose one or more of its outer electrons without changing its chemical identity. 一个

54、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. the efficiency of the best of these steam locomotives is under 16 percent.这些蒸汽机中，最佳者的效率也不足16%。146 with the result of automation productive has increased 6 times in that factory自动化的结果，那个工厂的生产率增加了 5倍。147. it makes itself felt in a circuit only whe n there is a cha nging

55、cur re nt.只是在电流发生变化时，它才会被人们所觉察。148. in liquid the molecules are much closer together than they are in gases在液体中，分子z间的距离比气体中近得多。149. much work has been done in order that date can be transmitted by television.人们己做了大量的工作，使情报资料可以通过电视來播送。150. whe n oxyge n was blow n in to, bacteria was stimulated to ea

56、t the toxic wastes 当注入氧气后，促使细菌吞噬掉有毒的污物。151. the purpose of a foundation is carrying the load of a structure地基的作用是承受结构的载荷。152. packaged software is developed to serve the specific needs of one user.软件包的开发只是为某一用户的特定需要服务的。153. by conductivity we mean the ability to conduct an electric current.导电性就是指传到电

57、流的能力。154. without the telescope, mechanics would have taken a slower course如果不是发明了望远镜，力学的发展可能会迟缓-些。155. the oxygen content of air is about 21%空气中氧的含量约为21%o156. the melting point of this metal is greater than that of copper by approximately 2.5 times. 这种金属的熔点大约比铜高1.5倍。157. in flati on could not be co

58、n trolled, but rather got worse and worse.通货膨胀没有得到控制，反而越來越严重。158. nowadays, more and more plastic products are used in place of metal.现在，越来越多的蛾料制品被用来替代金属。159. much of the heat in side the earth is produced by radioactive eleme nts.地球内部的大部分热是由放射性元素说产生的。160. the specific method of cutting should be employed to decrease the generation of a