常見例句雙語例句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(yīng)用。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。 返回 acoustical insulation material