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check problem |
задача контроля: 25 phrases in 12 subjects |
Abbreviation | 1 |
Astronautics | 1 |
Automated equipment | 2 |
Aviation | 2 |
Aviation medicine | 5 |
General | 1 |
Information technology | 1 |
Management | 1 |
Mass media | 3 |
Medical | 1 |
Military | 4 |
Telecommunications | 3 |