 |
| |||
| libration; librational motion | |||
| libration (重力梯度稳定卫星受扰动时产生的摆动，尤指月球天平动) | |||
| 天 平动: 72 phrases in 11 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Aviation | 8 |
| Electronics | 2 |
| Finances | 1 |
| General | 1 |
| Metallurgy | 1 |
| Securities | 2 |
| Space | 26 |
| Technology | 27 |
| Wind Energy | 1 |
|
| |||
| libration; librational motion | |||
| libration (重力梯度稳定卫星受扰动时产生的摆动，尤指月球天平动) | |||
| 天 平动: 72 phrases in 11 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Aviation | 8 |
| Electronics | 2 |
| Finances | 1 |
| General | 1 |
| Metallurgy | 1 |
| Securities | 2 |
| Space | 26 |
| Technology | 27 |
| Wind Energy | 1 |