acoustic pad隔声垫acousticadj.听觉的；声音的；原声的；音响的acoustic target recognition声目标识别acoustic absorbing material吸音材料acoustic resonance of songs歌唱的共鸣acoustic scattering problem声波散射问题acoustic marine speedometer声航速仪acoustic wave agglomeration声波团聚acoustical impedance method声阻法acoustic radiation pressure声辐射压acoustic landmine detection声波探雷acoustic intrusion detector声干涉探测器,声入侵探测器