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viewing distance | |||
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viewing ratio |
расстояние наблюдения : 23 phrases in 13 subjects |
Astronautics | 1 |
Astronomy | 1 |
Cartography | 2 |
Electronics | 2 |
General | 1 |
Geophysics | 3 |
Information technology | 1 |
Mass media | 2 |
Military | 3 |
Oil / petroleum | 2 |
Rail transport | 2 |
United Nations | 2 |
Weapons and gunsmithing | 1 |