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alerting signal | |||
call signal | |||
callsign | |||
call sign; calling signal; communicate signal | |||
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standby | |||
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call sign; call signal | |||
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line signal | |||
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call signal |
呼叫 信号 : 44 phrases in 11 subjects |
Aviation | 2 |
Commerce | 1 |
Communications | 1 |
Computer networks | 2 |
Electronics | 4 |
General | 1 |
Information technology | 6 |
Multimedia | 1 |
Rail transport | 2 |
Technology | 11 |
Telecommunications | 13 |