escape velocity
英
美
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Noun:
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the minimum velocity needed to escape a gravitational field
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用作名词 (n.)
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That's a pretty strong version of escape velocity!
这是逃逸速度的一个很有力的版本!
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At the event horizon, the escape velocity is equal to the speed of light.
在活动视界里,逃逸速度等于光速。
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