axial rotation造句

1、The axial rotation of the earth.
地球绕轴自转

2、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？

3、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。