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ground observing system | |||
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ground surveillance net; ground-based surveillance system | |||
ground monitoring system |
наземная система наблюдений : 33 do fraz, 6 tematyki |
Astronautyka | 5 |
Lotnictwo | 1 |
Nato | 4 |
Systemy bezpieczeństwa | 1 |
Technika i technologia | 5 |
Wojskowość | 17 |