libration
noun [ U ] physics specialized uk/laɪˈbreɪ.ʃən/ us/laɪˈbreɪ.ʃən/
（行星的）天平动
a slight backwards and forwards movement of something, especially of planets etc. in the sky
lunar libration 月球的天平动
Synonym: oscillation
| 词汇 | libration |
| 类别 | 英译汉、英汉双解翻译词典 |
| 释义 | libration noun [ U ] physics specialized uk/laɪˈbreɪ.ʃən/ us/laɪˈbreɪ.ʃən/ （行星的）天平动 a slight backwards and forwards movement of something, especially of planets etc. in the sky lunar libration 月球的天平动 Synonym: oscillation |
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