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carrier signaling | |||
carrier communication | |||
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carrier-current relaying |
载波通信 : 48 phrases in 11 subjects |
Air defense | 2 |
Business | 2 |
Communications | 3 |
Computer networks | 1 |
Electronics | 11 |
General | 2 |
Information technology | 5 |
Project management | 1 |
Space | 2 |
Technology | 16 |
Telecommunications | 3 |