刚体定点转动的两种解题方法

Two Methods of Resolving Problem of Rigid body Rotation on a Fixed point

分别用刚体定点转动法和转动参照系方法求解转动物体上点的速度及加速度

The paper gives the solution of velocity and acceleration on point the a rotational object with method of rigid body fixed-point rotation and method of rotational reference frame relatively.