短語詞組短語acoustic emission energy 聲發(fā)射能量acoustic signal energy 聲信號能量pulsed acoustic energy 脈沖聲能underwater directional acoustic energy 水下定向聲能acoustic energy focusing 聲能聚焦Acoustic energy degree 聲能級acoustic emission event energy 聲發(fā)射事件能量3D acoustic energy field 三維聲場 返回 acoustic energy