随着它的旋转,就产生了加速度。
在我们自己的太阳系,火星上极端变化的气候表明了是由于它的旋转倾角随时间在0到60度之间的变化而引起的。
In our own solar system, Mars shows evidence of extreme climate change, the result, scientists believe, of a rotational tilt that flips between zero and 60 degrees over time.
最终获胜的是巨大旋转钢制船舶升降机的设计图,它成为了后来的福尔柯克轮。
The eventual winner was a plan for the huge rotating steel boat lift which was to become The Falkirk Wheel.
This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.
这些设备是很紧密的以至于人的头发,都不能在头和旋转的磁盘之间通过,尽管如此,它的运行速度非常快。
So another way to think about that is just the rotational kinetic energy of our electron.
或者,这样想,它是,电子旋转的动能。
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