Clearly, here the velocity is zero.
显然，这里的速度就是。
And at time zero, when it is there, it has a velocity in that ellipse.
时间为0时，在轨道上有速度。
Therefore, their velocity was zero, which clearly wounded the team's collective pride.
因此，他们没有取得任何进展，这明显的伤害了该团队的集体自豪感。
So those are the times that the velocity is zero.
所以这些,就是速度为0的点。
That is the velocity at time zero, 0 and this is zero.
就是初始速度，而第二项是。
That is the velocity at time zero, 0 and this is zero.
就是初始速度，而第二项是。
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