|
observation station : 32 phrases in 17 subjects |
| Abbreviation | 1 |
| Artillery | 1 |
| Astronautics | 5 |
| Cartography | 2 |
| Construction | 1 |
| Ecology | 2 |
| Elections | 3 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Hydrology | 1 |
| Makarov | 1 |
| Meteorology | 3 |
| Military | 5 |
| Missiles | 1 |
| Technology | 2 |
| Water resources | 1 |