自转,绕轴旋转;
There was slight axial rotation of the tibia relative to the femur.
相对于股骨,胫骨出现轻微轴向转动.
Is the state of the axial rotation of a rigid body at constant angular speed stable?
刚体的匀角速定轴转动状态是平衡态 吗 ?
After removing the ribs the axis of axial rotation moved forward.
在移去肋骨后,旋转轴明显前移了.
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