librations

librations

美 [laɪb'reɪʃənz] 　英 [laɪb'reɪʃənz]

• n.振动；平衡；【天】天平动

词形变化

复数：librations  

英汉解释

n.	1. 振动,摆动;平衡 2. 【天】天平动

英英解释

n.	1. a real or apparent oscillation in the orbit of one astronomical object as seen from the one around which it orbits, especially as seen in the Moon from Earth

例句

On That the Radian of Both Faceplate and Soleplate of Violin Resonator Influence Upon the Librations Features

小提琴共鸣箱面板和底板弧度对振动特性的影响

The Influence of Turbine Assembly on the Librations of Motor

涡轮装配对发动机振动的影响