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line signals (на междугородной сети) | |||
coordination signals (prearranged) | |||
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liaison signal | |||
interaction signal |
сигналы взаимодействия : 17 phrases in 8 subjects |
Artificial intelligence | 1 |
Communications | 3 |
Firefighting and fire-control systems | 1 |
Mass media | 3 |
Military | 6 |
Operation systems | 1 |
Programming | 1 |
Telecommunications | 1 |