Acoustic FEM声学有限元acousticadj.听觉的；声音的；原声的；音响的acoustic emission in rock岩石声发射acoustic-electric index电声效率Acoustic/seismic waves声波Acoustic Detection System音响探测系统acoustical phase constant声相位常数acoustic design objective声学设计指标Acoustic stapedius reflex镫骨肌反射acoustic streaming effect声流效应acoustic emission signals声信号acoustic type strain gage声学应变仪