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Earth-to-satellite communication |
связь "спутник-Земля : 50 phrases in 9 subjects |
Astronautics | 3 |
Cinematography | 1 |
Electronics | 1 |
Makarov | 3 |
Mass media | 8 |
Military | 18 |
Natural resourses and wildlife conservation | 1 |
Technology | 13 |
Telecommunications | 2 |