elliptical motion meaning in Chinese
椭圆运动
Examples
- The sun disturbs the elliptical motion of the moon around the earth .
月球绕地球的椭圆运动受到太阳的干扰。 - Yet there is also some elliptical motion to this general trend
可是，在总体趋势上仍然有一些椭圆形的运动。 - Being a sort of new principle micromotor in the fronitier of science , the ultrasonic motor ( usm ) is developed at recently twenty years . utilizing the stator surface particle elliptical motion excited by piezoceeramics , the usm is drived by friction force between the stator and rotor
本文以这一新型电动机为研究对象，对其运行特性和控制策略进行研究，是有较重要的理论和实际意义的。 - Being a sort of new principle micromotor in the fronitier of science . the ultrosonic motor ( usm ) is developed at recently twenty years . utilizing the stator surface particle elliptical motion excited by piezoceeramics , the usm is drived by friction force between the stator and rotor . compared with the conventional electromagnetic motor , the ultrasonic motor has the following features : high speed , high holding torque when power is off and so on . because of it ' s characteristics , the ultrasonic motor has obtained some widespread application in robots , precise instrument , house electronical appliance , sapceecraft automobile and micromechanism
超声波电机( ultrasonicmotor )是近二十年来发展起来的一种新原理电机，其原理不同于传统的电磁型电机，它是利用压电陶瓷的逆压电效应使定子的表面质点产生椭圆运动，通过定子和转子之间的摩擦力驱动转子运动。这种新型的电机与传统电磁电机相比，具有响应快、不受电磁干扰、结构紧凑、低速、大扭矩、断电自锁等优点，因而在微型机械、机器人、精密仪器、家用电器、航天器、汽车等方面显示出广泛的应用前景。