科技资料翻译中“速度”、“速率”等的表示方法
常用的动词、名词及短词有：
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.飞机的速度加快/上升。
The speed / velocity of the fluid decrease/ falls.流体的速度减慢/下降。
The rate of descent of an aeroplane is measure in metres of height per second.
飞机下降的速度是以每秒高度米数来测量的。
The aircraft increases speed/ speeds up / accelerates.飞机加快速度。
The aircraft decreases speed/ reduces speed/ slows down /decelerates.飞机减慢速度。
There is an increase in speed.速度有所增加。
There is a decrease / reduction in speed.速度有所减小。
Opening the throttle of a car accelerates it/ makes it go faster.
打开汽车的风门能使汽车加速。
Applying the brakes of a car retards it / makes it go slower.
使用汽车的刹车可使汽车减慢速度。
Light travels at a speed of 299,728 km per second. 光以每秒299 728千米的速度传播。
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.
如果发动机里只使用一对磁场级，电极必须以60转每秒的速度旋转才能产生60周的电流。
The magnet turns at the rate of 50 revolutions per second.
磁铁以50转每秒的速度旋转。
The population of the world is growing at a dangerous rate.
世界人口正以危险的速度在增长。
In fact, there is a maximum velocity at which any object may fall freely through air, regardless of the duration of its fall.
事实上，任何物体不论其下落的时间有多长，都有一个可通过空气自由下落的最大速度。
译路通武汉翻译公司
2012.9.12