direction of rotation [机] 旋转方向 ; 转动方向 ; 转向 ; 扭转标的目的
center of rotation 旋转中心 ; 转动中心 ; 回转中心 ; 转中心
sense of rotation 旋转方向 ; [数] 旋转指向 ; 自转方向 ; 转动方向
Plane of rotation 旋转平面 ; 旋转面 ; 旋转的平面
speed of rotation [物] 旋转速率 ; 转速 ; 转动速度 ; 旋转速度
critical speed of rotation [力] 临界转速
pole of rotation [天] 自转极 ; 旋转极 ; [机] 转动极点
solid of rotation [数] 旋转体 ; 回转体
moment of rotation 转动力矩 ; 扭矩 ; 旋转力矩 ; [力] 转矩
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。
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。
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。
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
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
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