遇难信号 meaning in English
come quick distortion
cqd
distress signal
distresssignal
singal of distress
sos
Examples
- Two weeks before citadel was due for full operation , the station transmitted a distress signal
两周前堡垒按预期完工运做，发射站传输出一个遇难信号。 - In 1906 , the " sos " distress signal was adopted at the international radio telegraphic convention in berlin
1906年，在柏林举行的国际无线电通信大会上采用了sos遇难信号。