Lubricating oils are used to ensure the smooth running of the machine.

早期激光器的缺点之一是它不能连续工作。

这些金属离子阻碍电子流动，引起电子运动大幅减弱。

使用润滑油是为了确保机器正常运转。

第2节 翻译练习5

The most common application for bearing is the support of a rotating shaft that is transmitting power from one location to another.

The World Wide Web is a unique medium for communication and for publishing.

轴承最常见的应用是支撑旋转轴将功率从一处传至另一处。

万维网是一个独特的通讯和出版媒体。

第2节 翻译练习6

A practical means of transferring geothermal energy is to convert it to electric power.

An electron, if moving, produces a magnetic field.

将地热能转变成电能是输送这种能量的一种切实可行的办法。

电子如果运动，就会产生磁场。

第2节 翻译练习7

Needle bearings have a high load capacity.

Considerable effort must be expended to ensure consistent blast volume, humidity and temperature.

滚针轴承的承载能力大。

还要在确保风量、湿度和温度稳定方面做出相当大的努力。

第2节 翻译练习8

The gear teeth should have the strength sufficient to operate.

We’ll do everything possible to improve the supply of electricity.

We hope everything ready for the operation.

Scientists have found a method of measurement suitable for most island waters and coastal areas. 齿轮的齿必须具备足够的运转强度。

我们将尽一切努力来改善电力供应。

我们希望一切在开工之前就绪。

科学家们已经找到了一种适合大多数岛屿的近海和沿海地区的测量方法。

Coal is a kind of fuel suitable for power generation.

The only transformer available is produced in Shanghai.

煤是一种适合发电的燃料。

唯一可用的变压器是上海产的。

第2节 翻译练习9

The resistance of the load is too high for the amplifier.

For this reason the switching signal should be no steeper or larger than necessary.

The capacity to store water in their leaves is typical of desert plant.

He is quite familiar with state function.

负载的电阻对于放大器来说太高。

因此激励信号的斜率及宽度不应超过所要求的数值。

在叶子中储存水的能力是沙漠植物的特性。

他非常熟悉状态函数。

第3节 翻译练习1