逃离M的重力,所需的速度为,√2乘以,比逃逸速度小的。
Out pops that speed with which you can escape the gravitational pull of capital M, which is the V square root of two times larger than this V.
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.
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