刚体的匀角速定轴转动状态是平衡态吗？
Is the state of the axial rotation of a rigid body at constant angular speed stable?
即使在高速转动状态，也能保持转子轴向端面的油膜，泵的使用寿命长。
The utility model has the advantage that the long service lives of the pump and the oil film of a rotor shaft and an end surface can be maintained under the condition of high-speed rotation.
每次撞击都会对月球的转动状态产生重大的影响，并引起坚固的地幔和液体磁芯间的转速差异。
Each of these impact events would also have significantly affected the rotational state of the Moon, causing the solid mantle and liquid core to rotate differently.
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