科技英语翻译.ppt

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1、科技英语翻译现在学习的是第1页，共16页增词所谓增词译法，就是在原文的基础上添加原文中虽无其词但有其意的单词、词组、分句或完整句。现在学习的是第2页，共16页增加表示名词复数概念的词语增加表示名词复数概念的词语Carbon combines with oxygen to form carbon oxides.碳同氧化合形成多种氧化碳。Of visible lights,red light has the longest and violet the shortest wavelength.在各种可见光中，红光的波长最长，紫光的波长最短。When the plants died and deca

2、yed,they formed layers of organic materials.植物腐烂后，形成了一层层有机物。There is enough coal to meet the worlds needs for centuries to come.有足够的煤来满足全世界未来几个世纪的需要。Amphibians and birds do differ significantly.两栖类和鸟类之间有显著差别。现在学习的是第3页，共16页In the 1980s,departments bought their own minicomputers and managers bought th

3、eir PCs.20世纪80年代，许多部门都购买了自己的微机，经理们也购买个人电脑。Signals from the senses-eyes,ears,nostrils or skin,as the case may be-send messages to the spinal cord,which moves the limbs appropriately.眼、耳、鼻或皮肤等各种感官所接受的信号会被送到脊髓，使肢体活动。Things in the universe are changing all the time.宇宙中万物总是在不断变化的。The substances get into

4、the soil,into plants and into human bodies.这些物质进入土壤、植物和人体。Air is a mixture of gases.空气是多种气体的混合物。现在学习的是第4页，共16页增加表示时态的词语增加表示时态的词语Contemporary natural science are now working for new important breakthroughs.当代自然科学正在酝酿着新的重大突破。Humans have been dreaming of copies of themselves for thousands of years.千百年来

5、，人类一直梦想制造出自己的复制品。The high-altitude plane was and still is a remarkable bird.高空飞机过去是而且现在仍然还是一种了不起的飞行器。By the turn of the 19th century geologist had found that rock layers occurred in a definite order.到19世纪初，地质学家已发现岩层有一定的次序。Some day man will be able to utilize the solar energy.总有一天，人类将能利用太阳能。现在学习的是第5页

6、，共16页This natural approach to remediating hazardous wastes in the soil,water,and air is capturing the attention of government regulators,industries,landowners and researchers.这种清除土壤、水以及空气中有害废品的自然方法正日益受到各政府首脑、企业、土地所有者、研究人员们的关注。Its time to ring farewell to the century of physics and ring in the centur

7、y of biotechnology.现在是告别物理学世纪、迎接生物技术世纪的时候了。This company has been manufacturing computers for five years.这家公司五年来一直在生产计算机。The earths population is doubling,the environment is being damaged.地球的人口正在加倍增长，环境也在不断受到破坏。Scientists are working to develop new ways to make the semi-conducting material used in co

8、mputers and other modern electronic devices.科学家们正在用新的方法制造用于计算机和其他现代电子仪器中的半导体材料。现在学习的是第6页，共16页增加表示句子主语的词语增加表示句子主语的词语Weak magnetic fields are known to come from the human body.我们知道，人体能产生微弱的磁场。It is estimated that the new synergy between computers and Net technology will have significant influence on t

9、he industry of the future.有人预测，新的电脑和网络技术的结合将会对未来工业产生巨大的影响。Its believed that we shall make full use of the suns energy some day.我们相信，总有一天我们将能够充分利用太阳能。With the development of modern electrical engineering,power can be transmitted to wherever it is needed.随着现代化电气工程的发展，人们可以把电力输送到任何所需要的地方。It is said that

10、 numerical control is the operation of machine tools by numbers.人们说，数控就是机床用数字加以操纵。现在学习的是第7页，共16页Its pointed out that societies have long operated under the assumption that the oceans and rivers would wash away pollution,the winds would cleanse the air,and the soil could bury the rest.有人指出，我们的社会长期以来在

11、处理垃圾时都认为海洋和河流会把污染冲走，风会把空气吹净，而土壤则会把其他污染埋藏。Potassium and sodium are seldom met in their natural state.我们很少见到自然状态的钾和钠。The design is considered practical.大家认为这一设计切实可行。A few years ago it was thought unusual that programs could ever be called up by viewers to be displayed on their TV screens at home.几年前人们

12、还认为观众在家里打电话收看电视节目是件稀罕事。It may be supposed that originally the earths land surface was composed of rock only.我们可以设想地球陆地表面原先完全是由岩石构成的。现在学习的是第8页，共16页增加原文中省略的词语增加原文中省略的词语You have seen how water expands when it is heated and contracts when it is cooled.你已经看到水受热时怎样膨胀，冷却时有怎样收缩。The changes in matter around

13、us are of two types,physical and chemical.我们周围的物质变化有两种，物理变化与化学变化。High voltage is necessary for long transmission line while low voltage for safe use.远距离输电需要高压，安全用电需要低压。The sun is regarded as the chief source of heat and light.太阳被认为是主要的热源和光源。High temperatures and pressures changed the organic materia

14、ls into coal,petroleum and natural gas.高温和高压把这些有机物变成了煤、石油和天然气。现在学习的是第9页，共16页Plastic bowls marked microwavable are probably safer than those that arent.使用贴有“可用于微波炉烹调”标志的塑料碗也许比使用没有贴这种标志的塑料碗更安全。Under no circumstances can more work be got out of a machine than is put into it.机器输出功决不能大于输入功。Matter can be

15、changed into energy and energy into matter.物质可以转化为能，能也可以转化为物质。This experimental result is in inverse ratio to that.这项实验结果和那项实验结果成反比。Carbon steels are classified as low,medium,and high carbon steels.碳钢可分为低碳钢、中碳钢和高碳钢。现在学习的是第10页，共16页增加具体化、明确化的词语增加具体化、明确化的词语The statistics brought out a gender division b

16、etween hard and soft science:girls tending toward biology,boys tending maths and physics.统计表明，从事硬科学和软科学研究的科学家在性别上存在差别：女性倾向于生物学的研究，而男性则倾向于数学和物理学的研究。Were there no electric pressure in a conductor,the electron flow would not take place in it.导体内如果没有电压，便不会产生电子流动现象。Net is best suited for small and medium

17、 enterprises to band together and break the monopolies of the“giants”.网络是中小型企业共同合作打破“霸主”垄断的最好工具。This is the first step toward the solution of air pollution.这是解决空气污染问题的第一步。Floppy disks have always been cheap to make and relatively easy to copy.软盘制作成本比较低，而且也比较容易拷贝。现在学习的是第11页，共16页These apes are confine

18、d to fast-vanishing tropical rainforest or woodland habitats.这些类人猿的生活局限于正在迅速消失的热带雨林或森林栖息地中。In the US,there is evidence that schoolchildren with access to the Internet are starting to watch less TV and spend more time surfing the Net.在美国，有证据表明接触因特网的在校学生看电视看得少了，在网上冲浪的时间增加了。During an El Nino the pressu

19、res over Australia,Indonesia and the Philippines are higher than normal,which results in dry conditions or even droughts.当出现“厄尔尼诺”现象时，澳大利亚、印度尼西亚和菲律宾上空的大气压会比平常高，会出现干旱，甚至还会发生旱灾。At the moment,developed areas in Europe,the United States and Asia have already started studying the possibility of an electr

20、onic currency.目前，欧洲、美国以及亚洲一些发达地区已经开始研究推行电子货币的可能性。The world now buys almost as many PCs as color TVs.现在全球个人计算机购买量与彩电的购买量不相上下。现在学习的是第12页，共16页增加起语气连贯作用的词语增加起语气连贯作用的词语Were there no gravity,there would be no air around the earth.假如没有重力，地球周围就没有空气。Possessing high conductivity of heat and electricity,alumin

21、um finds wide application in industry.铝由于具有高度的导热性和导电性，在工业上得到了广泛的应用。In addition to copper,there are many other metals which are good conductors.除铜以外，还有许多别的金属也是良导体。Using a transformer,power at low voltage can be transformed into power at high voltage.如果使用变压器，低电压的电力就能转换成高电压的电力。Being stable in air at or

22、dinary temperature,mercury combines with oxygen if heated.常温下水银在空气中较稳定，但若受热便会同氧化合。现在学习的是第13页，共16页Diskettes that contains a computer virus will spread the virus to the computer.The virus will infect any other diskettes placed in that computer later.Experts say that you should keep your information di

23、skettes write-protected if you can.带有计算机病毒的软盘会使病毒传到计算机上。而病毒会传到其他任何使用于这台计算机的软盘上。因此专家建议用户最好给自己的信息软盘加上写保护。Hydrogen combines with oxygen,water being formed.氢和氧化合，就形成水。Over$1 billion a year has gone on research into nuclear fusion,a technology that has not yet generated a joule of electricity.每年投入到核聚变研究的

24、资金超过10亿美圆，但至今还没有用此项技术发出一焦耳的电。Without gravity there would be no air and no sound of any kind.如果没有地球引力，就不会有空气和声音。The sun warms the earth,which makes it possible for plants to grow.太阳温暖地球，从而使植物得以生长。现在学习的是第14页，共16页增加概括性词语增加概括性词语The units of“ampere”,“ohm”,and“volt”are named respectively after three scien

25、tists.安培、欧姆、伏特这三个单位是分别根据三位科学家的姓氏而命名的。The frequency,wave length and speed of sound are closely related.声音的频率、波长与速度三者密切相关。PCs are either desktops or portables.个人计算机有台式和笔记本式两种。The article summed up the new achievements made in electronic computers,artificial satellites and rockets.这篇文章总结了电子计算机、人造卫星和火箭三

26、方面的新成就。The chief effects of electric currents are the magnetic,heating and chemical effects.电流的主要效应有磁效应、热效应和化学效应三种。现在学习的是第15页，共16页Now human beings have not yet progressed as to be able to make an element by combining protons,neutrons and electrons.目前人类还没有进展到能把质子、中子、电子三者化合成一个元素的地步。The factors,voltage

27、,current and resistance,are related to each other.电压、电流和电阻这三个因素是相互关联的。The thesis reviewed the developments made in economy,traffic and environmental protection.这篇论文评述了在经济、交通以及环保三个方面的发展情况。Everything physical is measurable by weight,motion and resistance.任何有形的物体都可以从重量、运动和阻力三个方面进行测量。The principal functions that may be performed by vacuum tubes are rectification,amplification,oscillation,modulation and detection.真空管的五大功能是：整流、放大、震荡、调制和检波。现在学习的是第16页，共16页