压力的增加，将迫使气体以远高于脱离速度的速率向外逃逸。

The buildup of pressure would force gas outward at speeds far above escape velocity.

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分析和实验说明，本方法脱离速度较快，简单经济，效果良好。

The experiments and the analysis show that the method is simple and economical, it has the higher separating speed and gives good results.

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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”。

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

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