| |||
| исследование космоса; космические исследования | |||
|
space study : 44 phrases in 12 subjects |
| Astronautics | 25 |
| Aviation | 1 |
| Aviation medicine | 2 |
| Construction | 3 |
| Ecology | 1 |
| Makarov | 2 |
| Mathematics | 3 |
| Military | 2 |
| Nanotechnology | 1 |
| Politics | 2 |
| Space | 1 |
| Technology | 1 |