科技英语文章的特点与翻译(5)

snoopy

新朋友请进论坛新手成长必读

  常用句型

　　科技文章中经常使用若干特定的句型，从而形成科技文体区别于其他文体的标志。例如It——that——结构句型；被动态结构句型；结构句型，分词短语结构句型，省略句结构句型等。举例如下：

　　It is evident that a well lubricated bearing turns more easily than a dry one .

　　显然，润滑好的轴承，比不润滑的轴承容易转动。

　　It seems that these two branches of science are mutually dependent and interacting .

　　看来这两个科学分支是相互依存，相互作用的。

　　It has been proved that induced voltage causes a current to flow in opposition to the force producing it.

　　已经证明，感应电压使电流的方向与产生电流的磁场力方向相反。

　　It was not until the 19th century that heat was considered as a form of energy.

　　直到十九世纪人们才认识到热是能量的一种形式。

　　Computers may be classified as analog and digital.

　　计算机可分为模拟计算机和数字计算机两种。

　　The switching time of the new-type transistor is shortened three times .

　　新型晶体管的开关时间缩短了三分之二。（或——缩短为三分之一。）

　　This steel alloy is believed to be the best available here .

　　人们认为这种合金钢是这里能提供的最好的合金钢。
   Electromagnetic waves travel at the same speed as light .

　　电磁波传送的速度和光速相同。

　　Microcomputers are very small in size ,as is shown in Fig.5.

　　如图5所示，微型计算机体积很小。

　　In water sound travels nearly five times as fast as in air .

　　声音在水中的传播速度几乎是在空气中传播速度的五倍。

　　Compared with hydrogen, oxygen is nearly 16 times as heavy .

　　氧与氢比较，重量大约是它的十六倍。

　　The resistance being very high ,the current in the circuit was low.

　　由于电阻很大，电路中通过的电流就小。

　　Ice keeps the same temperature while melting .

　　冰在溶化时，其温度保持不变。



　　An object, once in motion ,will keep on moving because of its inertia.

　　物体一旦运动，就会因惯性而持续运动。

　　All substances ,whether gaseous ,liquid or solid ,are made of atoms .

　　一切物质，不论是气态、液态，还是固态，都由原子组成。