我的意思是，这是逃逸速度的全部意义所在，不是吗？
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”。
Simply stated, a gas molecule can "evaporate" from a planet if it reaches a speed known as the 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”。
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.
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".
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。
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.
答案，是因为，逃逸速度的计算。
这一项和这一项，逃逸速度相等。
And so this term is the same as this term for your escape velocity.
钟摆回摆；转圈圈；逃逸速度。
在活动视界里，逃逸速度等于光速。
At the event horizon, the escape velocity is equal to 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。
The gravitational field is so strong that the escape velocity near it exceeds the speed of light.
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）；
The escape velocity needed by a spacecraft to overcome the tug of Earth’s gravity is around seven miles per second—ie, Mach 34.
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。
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.
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。
In nonthermal escape, chemical reactions or particle-particle collisions catapult atoms to escape velocity.
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。
If the company can achieve escape velocity with enough hype and buzz in the market, they can get public or acquired early.
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”。
It's defined on the population, looking at mortality rates, so when being precise I call it "population escape velocity" or "actuarial 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。
If the ices had been rapidly vaporized by an impacting object, the expanding gases might have helped the ejected fragments reach escape velocity.
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。
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。
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.
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