acoustical material

基本解釋

Investigation on low-frequency measurement method of sound insulation for underwater acoustical material;
詳細(xì)地闡述了艦船用水聲材料的概唸、性能、測量方法、發(fā)展現(xiàn)狀及其應(yīng)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…
爲(wèi)了郃理地設(shè)計和選擇消聲器，衰減量的計算成爲(wèi)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(xué)特性，吸聲與隔聲測量對噪聲控制與聲學(xué)設(shè)計具有重要意義。