当它被抛出,它肯定会像一颗流星撞击的速度目标。
When it is thrown out, it would sure strike the target, like a meteor's speed.
牵引变电站设施的分布与容量应满足干线的速度目标、交通量、编组以及运行间隔要求。
Distribution and capacity of the traction substation facility shall satisfy the requirement of the velocity aim traffic volume marshalling and running interval of main line.
目标是测量 AU;随后,当我们知道了所有围绕太阳的其他行星的轨道速度,对太阳系的规模就有充分的认识了。
The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.
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