This motor employs method of changing the pole numbers so as to carry out speed adjustment 采用单绕组变极方法实现速度变换。
The velocity transform matrix synthesis method in dynamics of generalized multibody systems 广义多体系统动力学的速度变换矩阵综合法
2 . machine will auto stop when the shute or weft opens , or weaving is done . it has higher output , quality than four shuttle circular looms . 3 . controlled main equipment speed with frequency converter 主机变频调速,改善起动性能,缩短定机时间,减少疵布率,节约电能和方便速度变换
Inertial frame in special relativity , spacetime , lorentz transformation , lorentz contraction , time dilation , velocity transformation , relativistic optics , relativistic particle mechanics , relativistic and electromagnetism 特殊相对论之惯性座标、时空、劳伦兹变换、劳伦兹收缩、时间延伸速度变换、相对论光学、相对论质点力学、相对论电磁学。