 |
| |||
| space observations; space-based observations | |||
| |||
| space-based surveillance | |||
| космические наблюдения: 128 phrases in 12 subjects |
| American usage, not spelling | 1 |
| Astronautics | 54 |
| Astronomy | 1 |
| Ecology | 4 |
| General | 5 |
| Makarov | 3 |
| Meteorology | 3 |
| Military | 34 |
| Nanotechnology | 1 |
| Radiolocation | 1 |
| Technology | 20 |
| United Nations | 1 |