...间之碰 撞或分子与器壁之碰撞，均属于完全弹性碰撞 (Elastic collision)，也即碰撞时其移动动能 (Translational kinetic energy)保持不变。 北部地区职业卫生教育训練资源中心 2.
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The influence of translational kinetic energy on the period of vibration is analyzed.
给出一类强非线性对称振子周期振动的一种解法。
It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。
The motion of a rigid body can be divided into two types: translation and rotation, so the kinetic energy of rigid body is made up of translational energy and rotational energy.
刚体的运动分为平动和转动，那么刚体的动能也就包括平动动能和转动动能。
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