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регион |
regional area: 20 phrases in 14 subjects |
Astronautics | 1 |
Aviation | 1 |
Business | 1 |
Communications | 1 |
Computer networks | 4 |
Computers | 1 |
Ecology | 1 |
Energy system | 1 |
Logistics | 1 |
Meteorology | 1 |
Military | 3 |
Oil and gas technology | 1 |
Sociology | 1 |
United Nations | 2 |