- radio telegraph communication
- wireless telegraph communication
- 无线电报: radiogram; radiotelegraphy; ...
- 通信: communication; communicate b ...
- 无线电报通信程序: radio telegraph procedure; radiotelegraph procedure
- 无线电电报通信: radiotelegraph communication
- 远程无线电话电报通讯: long-range telephone and telegraph radio communications
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