Simply stated, a gas molecule can "evaporate" from a planet if it reaches a speed known as the escape velocity.
简单地说，如果气体分子达到逃逸速度，它就能从一颗行星上“蒸发”。
So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity.
所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。
Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.
逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。
Pendulum return, loop-the-loop, escape velocity.
钟摆回摆；转圈圈；逃逸速度。
Well, the answer lies in evaluating the escape velocity.
答案，是因为，逃逸速度的计算。
The buildup of pressure would force gas outward at speeds far above escape velocity.
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。
A spaceship that reaches escape velocity is moving fast enough to break free of a planet's gravity.
太空船之所以能飞出地球，是因为其飞行速度很快，足以挣脱地球的引力。
The gravitational field is so strong that the escape velocity near it exceeds the speed of light.
重力场是如此的强大以致于靠近它的逃逸速度超过光速。
English has become so popular it has achieved an escape velocity outside of the control of the US and UK.
英语已经达到第二宇宙速度挣脱了英国美国的束缚向全世界各个角落飞去。
I thumbed through my copy of Escape Velocity on more time to see if there was anything I'd forgotten.
我在更多的时间浏览我的逃离速度的副本看看是否有我已经忘记的任何事情。
In nonthermal escape, chemical reactions or particle-particle collisions catapult atoms to escape velocity.
在非热逸过程中，由于化学反应或粒子与粒子之间的碰撞，原子因受到弹射而达到逃逸速度。
If the company can achieve escape velocity with enough hype and buzz in the market, they can get public or acquired early.
如果该公司能凭借市场上的兴奋情绪和泡沫达到“逃逸速度”，它们就可能上市或早早地被其他公司收购。
Flights13and14had centaur boosting the spacecraft to escape velocity for an early demonstration of circumlunar capability.
第13次和第14次飞行利用森托尔推进飞船逃离速度限制，这是绕月飞行能力的早期证明。
The escape velocity needed by a spacecraft to overcome the tug of Earth’s gravity is around seven miles per second—ie, Mach 34.
宇宙飞船克服地球引力所需的逃逸速度约为每秒7英里（也即34马赫）；
I mentioned earlier, notice that the orbital period and the escape velocity vary by a square root of two if you are at a particular position.
我之前说过，注意，轨道时间和逃逸速度，因2的平方根不同，如果你在某特定位置。
If the ices had been rapidly vaporized by an impacting object, the expanding gases might have helped the ejected fragments reach escape velocity.
假如这些冰层因撞击的物体而迅速汽化蒸发的话，那么膨胀的气体很有可能帮助弹射出去的碎片达到逃逸速度。
It's defined on the population, looking at mortality rates, so when being precise I call it "population escape velocity" or "actuarial escape velocity".
就群体看死亡率来下定义，如要说得准确，我称之为“群体逃逸速度”或“保险精密计算师的逃逸速度”。
So by looking at the energy considerations, you can find the connection between total energy, escape velocity, and make the whole picture internally consistent.
考虑能量问题，你能发现总功以及，逃逸速度之间的关系，并使它们，在内部统一。
The results show that when the porous media model is not used, the calculated escape velocity of bubbles is larger, and the difference becomes larger with increasing the gas flow rate.
结果表明，不采用多孔介质模型计算的气泡的逃逸速度比采用多孔介质模型大，且随着底吹流量的增加，偏差加大。
If you want to escape from this, you will need a speed which is the square root of two times larger than that orbital velocity.
如果想要逃离这里，你将需要一个速度，是轨道速度2倍大的，平方根。
The craft will acquire sufficient velocity to escape the sun's gravitational attraction.
飞船将会以足够快的速度来脱离太阳的引力。
It is found that in certain circumstances large errors of the sensed velocity may exist which significantly influence the performance of the escape system.
试验发现，在某些特定的条件下，弹射速度的测量会出现较大误差从而严重影响弹射救生系统的救生性能。
It is found that in certain circumstances large errors of the sensed velocity may exist which significantly influence the performance of the escape system.
试验发现，在某些特定的条件下，弹射速度的测量会出现较大误差从而严重影响弹射救生系统的救生性能。
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