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наблюдение за поверхностью Земли |
Earth observation: 66 phrases in 11 subjects |
Astronautics | 29 |
Computers | 1 |
Ecology | 2 |
Energy industry | 2 |
General | 3 |
High frequency electronics | 1 |
Makarov | 2 |
Military | 17 |
Name of organization | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 7 |