These equations most briefly demonstrate the relationship between rotational motion quantity of body and principal moment of force system.

这些方程最简明地给定了物体转动运动量与物体所受力系主矩之间的关系。

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The cutting principles including cutting motion, cutting quantity, and grain performance of ultrasonic vibration honing are analyzed, and its specialities are generalized.

从切削运动、切削量、磨粒性能三个方面分析了超声波振动珩磨的切削机理，并归纳了超声波振动珩磨的特点。

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For the increase of finishing efficiency and surface quantity, the vibration mechanism was used in finishing machine so as to realize the motion of axial vibration.

为了提高研磨效率与表面质量，在研磨机床中采用振动机构来实现轴向振动运动。

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