短語詞組短語sound -velocity orientation 聲速取向sound propagation velocity 聲傳播速度sound volume velocity [聲]聲媒質(zhì)體積速度sound particle velocity 聲質(zhì)點(diǎn)速度instantaneous sound particle velocity 瞬時(shí)聲質(zhì)點(diǎn)速度impact sound transmission velocity 碰撞速度sound wave velocity test 波速測試sound velocity correction 聲速改正 返回 sound velocity