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。
In addition, the theorem of moment of momentum about relative motion of the system of particles to the center of mo…
同时指出利用质点系绝对运动对动矩心的动量矩定理处理有关方面问题的方法更具有普遍性。
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