motion of mass center的意思|示意

According to theorem of motion of centre of mass and theorem of moment of momentum about centre of mass, we derive the theorem of moment of momentum about instantaneous center of rotation.

从质心运动定理和相对质心的动量矩定理出发，导出了相对瞬心的动量矩定理。

As to the conservation of motion of center of mass, the method of absolute coordinate system is generally used in the teaching meterials of theoretic mechanics.

对于质心运动守恒问题，理论力学教材中一般用绝对坐标法进行计算。

It is found that basic dynamic equations can be derived from the Chenzi theorem, including three Newton's laws of motion, kinetic energy theorem, the law of motion of the center of mass.

从陈子定理可以推导出质点动力学的基本定理，包括牛顿运动三定律，动能定理，质心运动定理。

The artical analyses the stability of the bicycle from both the motion of mass-center and the gyroscopic action of bicycles.

本文分别从质心运动和车轮的回转效应来分析自行车的稳定性。

The mass center motion equations of a damp-increasing range correction projectile were …

用增阻系数的概念，建立了增阻式射程弹道修正弹的质心运动方程组。

Thus large translation of atoms mass center motion is realized.

从而可实现较大的原子质心动量交换。