 |
| |||
| Astronomical Observatory (丹麦); astronomical observatory | |||
| 天文 观 测台: 14 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 1 |
| Space | 7 |
| United States | 1 |
|
| |||
| Astronomical Observatory (丹麦); astronomical observatory | |||
| 天文 观 测台: 14 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 1 |
| Space | 7 |
| United States | 1 |