释义 |
librations 英laɪb'reɪʃənz美laɪb'reɪʃənz BNC¹¹⁴⁰²⁴⁺⁵ 基本英英例句 天平动¹⁰⁰原型libration的复数 名词 libration: astronomy a real or apparent slow oscillation of a moon or satellite Working table with stable in-and-out, non- librations, speed can be adjusted unlimited. 工作台进出平稳、无振动,进出速度无级调节。08ce |