Because the most torque an electric motor has is at zero speed.
因为电动马达的最大力矩处于零速度。
Maybe it's just that I release it here; with zero speed; maybe I give it a little speed.
也许是这里零速度，释放，也许给它一个初速度。
Now, I know that I release it at 0 zero speed, so this is zero.
现在我知道，放开,物体的时候，速度为。
This bow has great speed and zero noise or vibration.
这弓有很大的速度和零噪音或振动。
High reliability and speed of zero references.
高可靠高速度的零位参考信号。
以初速度为0释放。
And I will show you now what is the average speed between time zero and four.
现在我要给你们看的是，0到4秒间的，平均速率。
Speed feedback, zero speed, running, healthy.
速度反馈，零速，跑步，健康。
Speed feedback, zero speed, running, healthy.
速度反馈，零速，跑步，健康。
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