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служебная информация |
operation information: 22 phrases in 11 subjects |
Astronautics | 2 |
Aviation | 1 |
Electronics | 1 |
Energy industry | 1 |
European Bank for Reconstruction and Development | 1 |
General | 3 |
Mathematics | 1 |
Military | 9 |
Name of organization | 1 |
Technology | 1 |
United States | 1 |