EST科技英语.doc

n 1 The classical Greek civilization knew of seven metals: gold, silver, copper, iron, tin, lead and mercury. n 在古希腊文明社会里，人们已经知道使用金银铜铁锡铅和水银七种金属。n 2 Now we have a better understanding of Einsteins special theory of relativity after attending a series of lectures on the topic.n 参加了一系列相关讲座后，我们加深了对爱因斯坦狭义相对论的理解.n 3 The holographic image (全息照片）must be viewed by looking directly through the film. Consequently，the size of the film limits the size of the audience that may view it at one time.n 全息图像一定要直接透过底片才能观看。因此，底片的尺寸使同时观看的人数受到限制。 n 4 Sodium hydroxide （氢氧化钠）is a strong base.n 氢氧化钠是一种强碱。 n 5 The half-lives of certain radioactive substances are very long.n 某些放射性物质的半衰期很长。 n 6. Friction is usually the main cause of wear.n 摩擦是造成磨损的主要原因。 n 7.A body will expand when heated and contract when cooled.n 物体热胀冷缩。 n 8. They got a heavy fine due to the breach of the contract.n 由于违反了合同，他们受到了巨额罚款。 n 9. The image forms on the plate and is then developed.n 图像形成于底片，接着冲洗出来。 n 10.The next step would be to try to develop means for sending television pictures. n 下一步就是要寻求发送电视图片的方法了。n 1 Matters consist of molecules and molecules of atoms.n 物质是由分子组成的，而分子是由原子组成的。n 2 Accurate in operation and high in speed, computers can save man a lot of time and labor.n 由于计算机运算准确，速度快，所以能节省人类大量的时间和精力。n 3 Solids in greatly different degrees resist being changed in shape.n 各种固体抗形变的程度极不相同。n 4 Machinery has made the products of manufactories very much cheaper than formerly.n 因为使用机器的缘故，工厂的产品比以前价格便宜多了。n 5 Changing the number of turns of coils may set up or set down the voltage.n 改变线圈匝数可以升压或降压。n 6. In case the air moves slowly, there will be a breeze.n 空气慢慢流动，就会产生微风。n 7. Physics is the study of heat, sound, magnetism, electricity, light, the properties of matter and what it is composed of.n 物理学研究热，声，磁，电，光，物质的性质及其成分。n 8. Alternating current has a lot of advantages.n 交流电优点很多。n 9.Throughout the world come into use the same signs and symbols of mathematics.n 全世界都采用相同的数学符号。n 10. Water evaporates more rapidly when the temperature is high than when it is low.n 温度高，水蒸发得快；温度低，水蒸发得慢。n 1 Among the most noteworthy achievements at that time was the realization that light consists of electromagnetic waves.n 当时最引人注目的成就之一是人们认识到了光是由电磁波构成的。n 2 The 1960s witnessed the great advance in electronics industry with the emergence of the large-scale integrated circuitsn 随着大规模集成电路的出现，电子工业在60年代取得了巨大发展 n 3 The electric resistance of iron is not so small as that of copper.n 铁的电阻不像铜的电阻那样小。n 4 The nature of the organism causing measles remained unclear until 1911, when it was proved to be a virus. n 引起麻疹的有机体的性质曾一直是一个不解之迷，直到1911年才证实它是一种病毒。 n 5 A continuous increase in the temperature of a gas confined in a container will lead to a continuous increase in the internal pressure within the gas. n 不断提高密闭容器内气体的温度，会使气体内的压力不断增大。 n 6.The new liquid crystals feature wide working temperature range, low operation voltage and high reliability.n 新型液晶的特点是工作温度范围宽，工作电压低，可靠性高。 n 7 The number of molecules in any object is unimaginably large.n 任何一种物体中的分子数量是大得难以想象的。n 8 The modern world is experiencing rapid development of science and technology.n 当今世界科学技术正在迅速发展n 9 The second aspect is the application by all members of society of the special methods of thought and action that scientists use in their work.n 第二方面，所有社会成员都使用科学家们在其工作中使用的特殊思维方法和工作方法。 n 10 Radar is a newly developed technique by which people can see the things beyond the visibility of them.n 雷达是一种新开发的技术，利用雷达人们能看到视线以外的东西。1 Modern scientific discoveries lead to the conclusion that energy may be created from matter and that matter, in turn, may be created from energy.近代科学的发现得出这样的结论，物质可以产生能量，能量又可以产生物质。2The countys peanut yield this year was equal to that in last year while the input decreased by a factor of three.我县今年花生产量与去年持平，而投入减少三分之二。3 Aluminum is 3 times as light as copper. Copper is 3 times as heavy as aluminum.铝比铜轻2/3，铜比铝重2倍。4 Spiders are not insects, as many people think, nor even nearly related to them.许多人认为蜘蛛是昆虫，但它们不是，甚至与昆虫毫无关系。5 Mechanical seal and ball bearing may be left assembled unless it is necessary to service them.机械密封和滚珠轴承若不需要维修，就不必拆卸。6 Nothing can be done about the external noise except change the geographical position of the receiver.只有改变接受机的地理位置才能消除这种外部噪声。7Besides voltage, resistance and capacitance, an alternating current is also influenced by inductance.除电压，电阻和电容外，电感也影响交流电。8 In this case the risk of lung cancer falls to 30 to 50 percent that of smokers.在这种情况下，患肺癌的危险性下降到吸烟者的30%到50%。9 Some plastics have been discovered by accident.某些塑料是偶然发现的。10 No machine ever runs in the absence of some friction.没有一定的摩擦力机械不会运转的。n 收音机、录音机和电视机的重要作用n The important role of radio sets, recorder and TV setsn 采、选、冶自动化n Automation in mining, mineral processing and metallurgyn 中国冶金技术发展的历史n The history of the development of metallurgical technology in Chinan 深矿开采设备耐火液压的选择n The selection of fire-resistant hydraulic fluids for mining equipment of deep minesn 用双风墙法改善矿井通风的技术优点n Technical advantages of improving mine ventilation by the double-stopping methodn 购买了这种通信装置，公安部门将能大大提高工作效率。n Purchase of such telecommunications equipment will substantially improve the working efficiency of the public security department.n 各种干扰源产生很大的噪音，淹没了我们所需要的无线电信号。n The great noise coming from various interference sources suppressed our desired radio signals.n 我们的主要目标之一是研制出一种包装，既要结实牢靠，布线量又要最少。n One of our primary goals was to develop a sort of package not only in firm compact form, but also with minimal wiring.n 全部成品出厂前必须在实验室进行检验，严格把关，一丝不苟。n All products must be inspected strictly and scrupulously in the lab of the factory before delivery.n 本文研究一个实例，探索在一个医疗单位里如何利用通信工具来提高医疗护理工作的质量。n The article is a case study of how to use telecommunications in a medical unit to improve the quality of health care.n 1 磁铁能吸引铁质材料，这一现象是大家所熟知的。n A magnet attracts iron materials, a familiar phenomenon.n 2 由于该设备体积小、重量小，价格低廉，所以在许多领域得到了广泛应用。n Small in size, light in weight and low in price, this device has found wide applications in many fields.n 3 该物体的速度为零.n This object has a speed of zero.n 4 该仪表的优点是易于看出波形的变化。n This instrument has the advantage that we can see the change in waveform.n 5 有些导体的电阻取决于流经它们的电流。n Some conductors have resistances which depend on the currents flowing through them.n 6 本文提出了一种改进方法，它能加快信噪分离。n This paper presents an improved method, which can speed up the separation of the signal from the noise.n 7 本文讨论了电波滤波器的工作情况及其设计方法。n This paper discusses the operation of and the approaches to electric wave filters.n 8用哪个字母来表示自变量是没有关系的。n It does not matter which letter is used to represent the independent variable.n 9 所有这些方程都可以用类似上面所述的方法来解。n All these equations can be solved by the method similar to that described above.n 10 经常出现这样的情况：x1.n The situation often arises where x1 1.这位教授在研究和应用图像处理方面起了重要作用。 This professor played the important role in the research and application of image processing. This professor has played a very important role in the research on and the application of image processing. 2.我们只需要测量这个元件上的电流和电压。 We need only to measure the current and voltage on this component. All we need to do is (to) measure the current through and the voltage across this component. 3.半导体对光和热很敏感，这两者都对导电率影响很大。 Semiconductors are very sensitive to light and heat, and both the factors effect their conductivity greatly. Semiconductors are very sensitive to light and heat, both of which have a great effect on their conductivities. 4.电容器是用绝缘体分开的两个导体所组成的一种器件。 Capacitor is a device consisted of two conductors which are separated by a insulator. A capacitor is a device consisting of two conductors separated by an insulator. 5.由于计算机运算精确、速度快，所以在各个领域得到了广泛的应用。 Because computers are accurate in operation and high in speed, they found wide application in all fields. Accurate in operation and high in speed, computers have found wide applications in all fields. 6.本文介绍了一种测温新方法，重点放在其基本原理上。 This paper presented a new measuring-temperature method and the focus is put on its basic principles. This paper presents introduces a new temperature measuring method, with emphasis on its basic principles. 7.西安电子科技大学是全国的一所重点大学，它创建于1931年。 Xidian University is one of the national key universities in China and it was founded in 1931. Founded in 1931, Xidian University is one of the national key universities in China. One of the national key universities in China, Xidian University was founded in 1931. 8.交流电能转换成直流电，这一过程称为整流。 AC can be changed into DC, this process is called rectification. AC can be changed into to DC, a process called rectification. 9.如果信号太大，就会引起失真。 If the signal is too large, distortion will result. Too large a signal will result in distortion. 10.由于太空中没有大气，所以科学家可以在那儿制造纯的药物。 Since there is no atmosphere in space, it would be possible for scientists to make pure drugs there. Absence of No atmosphere in space would enable scientists to make pure drugs there. 11.该电路十分复杂而难以调整。 The circuit is very complex and difficult to be adjusted. The circuit is very complicated and difficult to adjust. 12.本文对模糊熵的理论研究与实际应用均有较为重要的意义。 This paper contributes both to the theoretical researches on fuzzy entropy and the applications of fuzzy entropy. This paper contributes significantly to both the theoretical researches on and the applications of fuzzy entropy. 13.构造了一个综合性指标函数，然后根据此函数把各种因素一起考虑来建立优化模型。 An integrated performance function is formulated. According to this function, all factors are considered together to establish the optimal model. An integrated performance function is formulated, on the basis of which all factors are taken into account consideration to establish the optimal model. 14.在设计英特网时并没有考虑安全问题。 When the Internet was designed, safety was not considered. The Internet was designed without safety in mind. 15.如果把A代入B中，我们就得到C。 If A is substituted in B, we get C. Substituting A in into B, we have get; obtain C. Substituting A in into B (Substitution of A in into B) gives yields; produces; results in; leads to C. 16.这个方法需要精确的定位，这就使得它的实现具有一定的难度。 This method requires accurate location and this makes its realizati