"the plane made three rotations before it crashed" "the revolution of the earth about the sun takes one year"
the act of rotating in a circle or spiral
例句
In this case, a charged particle has a simple cyclotron gyration. 在这种情况下，带电粒子有一个简单的回旋回转。
You expect me to react to all that head-shake and body gyration? |你认为你如此摇头摆尾就能过我?
Currently, USBC has limited the differential radius of gyration to .060 inches. 现今USBC的规定，球体容许的最大RG差值为.;060英寸。
Regulating systems (balances) with variable radius of gyration are allowed provided they comply with criteria One (A) and One (B). 带动摆轮旋转的摆碟、调校等时节拍的结构和快慢针等机制及其零件，都必须达到法则1A和1B的要求。
In both, the large “radius of gyration” means the shaking has a lot of inbuilt inertia to overcome. 这二者形成“回转半径”，具有克服抖动形成的许多惯性力的功能。
The application of the double gyration device on LAMOST fiber positioning unit is introduced. 介绍了双回转机构在LAMOST光纤定位单元中的应用。
