Precession, basically is the change in the direction of earth's axis of rotation.

岁差，基本上是地球自转轴方向的改变。

youdao

You can convert that to kinetic energy of rotation in your flywheel.

可以将其转化为，飞轮旋转时的，动能。

youdao

Now I want to know how much kinetic energy of rotation these objects have.

现在我想知道这些的,旋转动能是多少。

youdao

It is called Verification of the Origins of Rotation in Tornadoes Experiment Two.

VOA: special.2009.06.09

Because positing them allows you explain things about the rotation of the star or the gravitational fluctuations, what have you.

因为这样假定能帮助你解释,诸如星体运行,引力波动,等现象

耶鲁公开课 - 死亡课程节选

Actually, the view of vectors we take nowadays is that vectors are associated with a pair of numbers which, on the rotation of axes, transform like this.

实际上,今天我们讲矢量所用的观点是,矢量是和一组坐标值相对应的,在坐标轴旋转的过程中像这样变换

耶鲁公开课 - 基础物理课程节选

At higher velocities, the lights switch over to calculating speed based on the wheel's period of rotation.

CNN: Light-up wheels turn your bike into a 'Tron Cycle'

With the rest of rotation continuing to founder, the Mets (14-20) can't afford to waste Harvey's starts.

WSJ: Maybe Harvey Could Learn to Hit?

Today motion sensing has progressed to being three-axes of acceleration, and three axis of rotation (technically called gyroscopes).

FORBES: Exponential Growth in Small Machines - Don't Fear, They're Here to Protect You