基本解釋吸音材料；音響材料英漢例句雙語例句Investigation on low-frequency measurement method of sound insulation for underwater acoustical material;詳細地闡述了艦船用水聲材料的概念、性能、測量方法、發(fā)展現(xiàn)狀及其應用。Parkinson who began research on sound transmission through ducts with acoustical material lining, questions of calculating sound attenuation by the dissipative mufflers have been ta…為了合理地設(shè)計和選擇消聲器，衰減量的計算成為不可缺少的工作。Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acoustical design.吸聲與隔聲是材料的聲學特性，吸聲與隔聲測量對噪聲控制與聲學設(shè)計具有重要意義。acoustical material更多例句詞組短語短語acoustical damping material 聲阻尼材料Acoustical Insulating Material Association 隔音材料協(xié)會Acoustical Insulation Material 隔音材料acoustical l material 吸音材料underwater acoustical material 水聲材料acoustical material更多詞組專業(yè)釋義化學音響材料