detonator, bell signal, emergency signal, blast of the whistle, danger signal, acoustic
声学自动寻的制导
acoustic homing guidance【航】
暂无补充释义。
acoustic homing guidance【航】
暂无补充释义。
detonator, bell signal, emergency signal, blast of the whistle, danger signal, acoustic
lens acoustic
acoustic
transmitting ULTRASONIC(S) acoustic waves
acoustic holography
acoustic memory
atresia of external acoustic meatus
acoustic spot