acoustical material

常見例句

雙語例句

• 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念、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…
  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(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。
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