sonica. 音波的、音速的、聲音的音波學術名詞音速：航空太空、機械工程聲波：力學音波：力學聲學高度表：航空太空音速進氣道：航空太空聲的：電力工程音速的：電力工程英文釋義(of speed) having or caused by speed approximately equal to that of sound in air at sea levelrelating to audible sound