科技英语翻译答案(17)

Modern electronic computers and other devices will be made smaller by the development of LSI. Some electrical engineers design and maintain power plants, transmission lines and home and factory electrical installations.

大规模的集成电路的发展将使现代化电子计算机以及其他装置越来越小。

有些电气工程师设计和保养发电厂、输电线、以及各种家用和工业用电器设备。 第2节 翻译练习2

The induced electromotive force lags and the current leads. Like charges repel and unlike charges attract. 感应电动势滞后，而电流导前。 同性电荷相斥，异性电荷相吸。（省译）

Transformers are commonly used in radio receivers and electrical communication circuits, and they are generally much smaller than those for power transmission.

Analyzing the dynamics of the way a person signs his or her name, and not just how the signature looks, is one basis of a biometric verifier.

变压器通常用于无线电收音机和电信电路中，可是这些变压器一般比用于输电的变压器小得多。

分析一个人签名时书法的笔力，而不只是分析签名的字形如何，这是生物统计学核实器的一个基本点。

第2节 翻译练习3

It is important to know that different types of control circuits may be used in one control system, and a completed control loop may consist of a combination of electric, pneumatic, or hydraulic elements.

重要的是要知道，在一个控制系统中可使用不同类型的控制电路，而且一个完整的控制回路可由电力、气动或液压配合组成。

The synchronous motor is even more expensive and requires a source of d.c. excitation, as well as special synchronizing control to apply the d.c. power at the correct instant. Telephone communication is now widespread and efficient. The machine is old and heavy. 同步电动机则更贵，而且需要直接励磁电源和专门的同步控制器以便在适当的瞬间接入直流电源。

现在的电话通讯既广泛又有效。 这台机器又旧又笨重。 第2节 翻译练习4

We have to replace some of its parts and make this machine more efficient.

To make the balloon descend, the “pilot” opened a valve and allowed some of the gas escape. 我们必须调换某些零件，以使这台机器效率更高。

为使气球降落，“飞行员”打开阀门，以使部分气体逸出。

Change one or more steps and we will improve the quality of the finished products.

Use a transformer and we can transform power at low voltage into power at high voltage and vice versa.

若改变一个或几个步骤，我们就有可能提高成品的质量。

用了变压器，我们就可以把低电压变为高电压，也可把高电压变为低电压。 第2节 翻译练习5

Uncap openings in indicators and connect lines.

Install aluminum washers nest to pump, steel washers next, and install nuts. Lead lacks tensile strength and it cannot be drawn out in the form of fine wire. 取下仪表开口处的盖子，再接上管路。