单词	水中音响信号
释义	水中音响信号submarine sound signal
随便看	federal personnel manual (fpm) federal post office federal post office--fpo federal post office，fpo federal power federal power act federal power commission federal power--commission federal public-key infrastructure federal radiation council federal radio act federal radio act 1927 federal radio act--fra federal radio act，fra federal radio commission federal radio commission {=frc} federal radio commission，frc federal radionavigation plan federal radionavigation plan{=frp} federal register federal register abstracts federal republic of cameroon federal republic of germany federal republic of germany 德意志联邦共和国 federal republic of yugoslavia