rotation-reflection axis

Simplified aerodynamic model of insect flight with rotational aerodynamic effect;

包含翅膀转动效应的昆虫简化气动力模型

Design and analysis of an one-dimensional micro-positioning rotation stage;

一维精密转动定位平台的分析与设计

Approach of Orientation of Spacecraft on the Basis of Quaternary Models of Rotation of Rigid Body;

基于刚体转动四元数模型的航天器再定向方案

Dalembert s theorem is employed in this article to solve the problem of mass point system turning around a moving Point, the way proposed in this article is more simple, convenient and coefficient than the traditional way in which the equation and the procedures arc very comlicated.

在解决质系相对于动点转动的动力学问题时,过去一直采用质系相对于动点的动量矩定理。

this essay presents the importance of the body s turning in Taici.

文章通过对太极拳行拳时左肘相对于身体的位置变化和持续时间变化的研究,揭示了太极拳行拳时腰部转动的重要性,据此,创编有效的辅助练习,提高太极拳的教学效果。