torsional mode meaning in Chinese

扭振模式
扭振形式
扭转振动形式

Research on ultrasonic motor using longitudinal and torsional mode
纵扭复合型压电超声电机的研究
Simulation on friction characteristic of ultrasonic motor using longitudinal and torsional mode
纵扭型压电超声电机的摩擦特性仿真研究
Under the excitation of wind forces , a building vibrates in bended and torsional modes
在风力作用下,高层建筑将发生弯曲和扭转模态下的振动。