Acoustic FEM声学有限元acousticadj.听觉的；声音的；原声的；音响的acoustic navigation system声导航系统acoustic quartz delay line声石英延迟线acoustic diagram of vowels声学元音图acoustic pressure gradient声压梯度acoustic holography system水声全息系统acoustic noise measurement噪声测量acoustical image converter声象转换管acoustic- homing torpedo声自导鱼雷acoustic response function响应函数Acoustic filed enhancement声场增强