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。

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。

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。

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。

The further are using the NCEP/NCAR Global Reanalysis Data and taking the moves TC as the center, then select some grid of the region about the motion TC as the physical quantity predictors (NWP).

进一步根据NCEP/NCAR全球再分析逐日高度场的格点资料，以热带气旋为中心，取移动区域上的格点场资料作为热带气旋路径预报的物理量初选因子。