acoustic locating device声学定位仪;声定位仪
acoustic synthetic device声音合成设备
acoustic optic device声光器件
Acoustic focussing device发明名称
acoustic signal device音响信号装置
acoustic homing device声学寻的装置
surface acoustic wave device声表面波器件
acoustic countermeasure device水声对抗器材
acoustic resonance device共鸣器