There from it is used to obtain the principles of the angular of momentum of the system of particles with respect to its cenier of mass and instantaneous center of velocity.

采用简捷的方法推导质点系相对于任意动点的动量矩定理，并由此引出质点系相对于质心的动量矩定理和质点系相对于速度瞬心的动量矩定理。

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Instantaneous center of rotation-velocity vector method is the integration of instantaneous center of rotation analysis and velocity vector method.

将瞬心分析与速度矢量法相结合的瞬心—速度矢量法较转化机构法更为清晰、明了、直观。

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The characteristics of the acceleration of the instantaneous velocity center (IVC) were presented, and the trajectory equation for pure rolling of rigid body (PRORB) was developed.

分析了瞬心的加速度特性，建立了刚体平面纯滚动的轨迹方程。

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