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наземные наблюдения: 110 phrases in 18 subjects |
Astronautics | 7 |
Aviation | 1 |
Ecology | 1 |
Electronics | 2 |
Firefighting and fire-control systems | 1 |
General | 2 |
Geophysics | 4 |
Makarov | 2 |
Meteorology | 2 |
Military | 67 |
Military aviation | 1 |
Nanotechnology | 2 |
NATO | 5 |
Oil / petroleum | 1 |
Remote sensing | 1 |
Security systems | 2 |
Technology | 8 |
Weapons and gunsmithing | 1 |