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иерархия цифровых каналов связи |
digital hierarchy: 38 phrases in 11 subjects |
Astronautics | 1 |
Communications | 2 |
Computer networks | 3 |
Electronics | 3 |
Foreign affairs | 1 |
Information technology | 9 |
Mass media | 9 |
Military | 1 |
Programming | 1 |
Technology | 5 |
Telecommunications | 3 |