север : 79 phrases in 22 subjects |
Astronautics | 1 |
Astronomy | 1 |
Aviation | 8 |
Business | 2 |
Canada | 1 |
Computer networks | 1 |
Ecology | 1 |
Economy | 1 |
Environment | 1 |
General | 25 |
Geography | 12 |
Journalism terminology | 2 |
Medical | 1 |
Meteorology | 1 |
Military | 7 |
Mining | 2 |
Nautical | 2 |
Radiolocation | 2 |
Statistics | 1 |
Surveying | 5 |
Technology | 1 |
United States | 1 |