 |
| |||
| heartland | |||
| key area | |||
| leading area (возделывания культуры) | |||
| essential ground (обороны) | |||
| основной район: 60 phrases in 17 subjects |
| Agriculture | 1 |
| Astronautics | 5 |
| Aviation | 1 |
| Construction | 1 |
| Ecology | 1 |
| Economy | 1 |
| General | 1 |
| Makarov | 1 |
| Mass media | 4 |
| Meteorology | 1 |
| Military | 34 |
| Oil and gas | 1 |
| Seismology | 1 |
| Statistics | 4 |
| Technology | 1 |
| Transport | 1 |
| Wood processing | 1 |