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。
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。
In addition has also analyzed Fokienia Hodginsii planted forest economy mature law of value motion as well as the relationship between economy mature and quantity mature.
此外还分析了福建柏人工林经济成熟的价值运动规律以及经济成熟与数量成熟之间的关系。
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