principal motion

The Research on Principal and Subordinate Pulse-drived Control System of Stepped Motion

主从脉动步进式位置闭环控制系统研究

If it be true that the principal part of beauty is in decent motion.

如果它是真的,美的最主要部位在于优雅的(得体的)举止.

The students passed a motion of no-confidence in the college principal.

学生们通过了对校长进行不信任投票的动议。

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 principal findings are: It is important to the mesoscale systems that a column of cyclonic vorticity is gener-ated and developed within an unstable and warm air with moist, while a persistently in-tensive ascending motion is maintained with whole vorticity column.

主要结果指出：气旋性涡柱在不稳定暖湿气柱内生成和发展，以及与整个涡柱共存的上升运动的持续加强，对暴雨中尺度系统的发展具有重要的作用；