科技資料翻譯中“速度”、“速率”等的表示方法

常用的動(dòng)詞、名詞及短詞有：

accelerate                          decelerate

retard                             slow down

sped up                            rate

speed                             velocity

at a/ the rate of …

at/ with a / the speed of...

at /with a / the velocity of…

 

The speed / velocity of the aircraft increases/ rises.飛機(jī)的速度加快/上升。

The speed / velocity of the fluid decrease/ falls.流體的速度減慢/下降。

The rate of descent of an aeroplane is measure in metres of height per second.

飛機(jī)下降的速度是以每秒高度米數(shù)來(lái)測(cè)量的。

The aircraft increases speed/ speeds up / accelerates.飛機(jī)加快速度。

The aircraft decreases speed/ reduces speed/ slows down /decelerates.飛機(jī)減慢速度。

There is an increase in speed.速度有所增加。

There is a decrease / reduction in speed.速度有所減小。

Opening the throttle of a car accelerates it/ makes it go faster.

打開(kāi)汽車(chē)的風(fēng)門(mén)能使汽車(chē)加速。

Applying the brakes of a car retards it / makes it go slower.

使用汽車(chē)的剎車(chē)可使汽車(chē)減慢速度。

Light travels at a speed of 299,728 km per second. 光以每秒299 728千米的速度傳播。

If only one pair of field poles is used in a generator, the armature must turn at a rate of 60 revolutions per second a to produce 60-cycle current.

如果發(fā)動(dòng)機(jī)里只使用一對(duì)磁場(chǎng)級(jí)，電極必須以60轉(zhuǎn)每秒的速度旋轉(zhuǎn)才能產(chǎn)生60周的電流。

The magnet turns at the rate of 50 revolutions per second.

磁鐵以50轉(zhuǎn)每秒的速度旋轉(zhuǎn)。

The population of the world is growing at a dangerous rate.

世界人口正以危險(xiǎn)的速度在增長(zhǎng)。

In fact, there is a maximum velocity at which any object may fall freely through air, regardless of the duration of its fall.

事實(shí)上，任何物體不論其下落的時(shí)間有多長(zhǎng)，都有一個(gè)可通過(guò)空氣自由下落的最大速度。

 譯路通武漢翻譯公司

2012.9.12