Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".

卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。

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This control system samples the speed of each wheel on a vehicle and controls each brake's pressure (to stop it from locking up) at up to 20 times per second.

该控制系统对车辆上每个轮子的速度进行采样，并以每秒20次的速度控制每个刹车的压力（防止它锁死）。

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The average speed for errors was 4 meters per second.

产生误差的平均速度是每秒4米。

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At the time of Endeavour's launch, NASA says the International Space Station was traveling at a speed of about eight kilometers-per-second, above western Romania.

VOA: standard.2010.02.08

And then we have c, the speed of light, 2.998 times 10 to the 8 meters per second.

然后我们知道光速等于，2，998乘以10的8次方米每秒。

麻省理工公开课 - 化学原理课程节选

You get 2.18 times 10 to the plus 6 meters per second, 1% which is about 1% of the value of the speed of light.

。18*10^6米每秒，得到的速度大概是光速的。

麻省理工公开课 - 固态化学导论课程节选

More than 5, 000 computers were set up to operate at high speed connections of 20 gigabits per second (average Mexican household connection speed is between 3 and 30 megabits per second).

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Normal gait speed improved from 3.9 to 4.1 feet per second and maximum gait speed increased from 5.5 feet to 5.8 feet per second.

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More than 5, 000 computers were set up to operate at high speed connections of 20 Gigabytes per second (average Mexican household connection speed is between 3 and 20 MB).

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