[0005] 为了待洗衣物在滚筒中的散布,在滚筒以称为轨道速度(orbital speed) 的速度 V 转动的状态下,含有洗涤剂的液体的再循环进行足够长的时间段T,其中,时间段T 通常为
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... 轨道平面 卫星的norbital plane 轨道速度 orbital velocity 轨道卫星上的数据处理机 orbital satellite data processor ...
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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.
在太阳系所有行星中,火星绕太阳的轨道速度第四快。
Mars's orbit around the Sun is the fourth fastest orbit of all the solar system planets.
如果想要逃离这里,你将需要一个速度,是轨道速度2倍大的,平方根。
If you want to escape from this, you will need a speed which is the square root of two times larger than that orbital velocity.
The radius of the orbit, the energy of the system and the velocity of the electron, I am just going to present you the solutions.
是轨道的半径,系统的能量,以及电子的速度,我接下来会给你们讲解其方程的解法。
Suppose you're the driver of a trolley car, and your trolley car is hurtling down the track at 60 miles an hour.
假设你是一名电车司机,你的电车以60英里/小时的速度,在轨道上飞驰。
n So the velocity is given by this product of the quantum number n Planck constant 2 pi mass of the electron time the radius of the orbit, which itself is a function of n.
速度是量子数,普朗克常数2π乘以轨道半径的值,它自身也是n的函数。
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