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observation space | |||
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observation space |
пространство наблюдения: 86 phrases in 13 subjects |
American usage, not spelling | 1 |
Astronautics | 22 |
Aviation | 1 |
Aviation medicine | 2 |
Ecology | 4 |
General | 4 |
Mathematics | 1 |
Medical | 2 |
Meteorology | 1 |
Military | 33 |
Radiolocation | 1 |
Technology | 13 |
Weapons and gunsmithing | 1 |