| |||
carrier-current communication system | |||
carrier current | |||
carrier system; carrier-communication system |
система высокочастотной связи: 10 phrases in 7 subjects |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 2 |
Energy industry | 1 |
Makarov | 1 |
Mass media | 1 |
Technology | 3 |