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keying | |||
telegraph transmission; telegraph relay |
телеграфная передача : 32 phrases in 9 subjects |
Aviation | 1 |
Communications | 2 |
Electrical engineering | 1 |
Electronics | 1 |
Mass media | 14 |
Military | 1 |
Quantum electronics | 1 |
Technology | 3 |
Telecommunications | 8 |