астрономическим наблюдениям : 49 phrases in 13 subjects |
Astronautics | 5 |
Astronomy | 1 |
Aviation | 1 |
Construction | 1 |
General | 1 |
Makarov | 4 |
Military | 3 |
Nanotechnology | 2 |
Nautical | 19 |
Navigation | 4 |
Oceanography & oceanology | 1 |
Scientific | 2 |
Technology | 5 |