sound absorption 吸声 ; [声] 声吸收 ; 吸音 ; 声波吸收
sound absorption coefficient 吸声率 ; 吸音率 ; 声吸收系数
absorption of sound 声音吸收 ; 声的吸收
sound absorption material [建] 吸声材料 ; 吸音材料
coefficient of sound absorption 吸音系数
structure-borne sound absorption 结构的音吸收 ; 聚体的结构
The roof system consists of main purlin, bottom plate, secondary purlin, absorption sound layer, insulating layer and faceplate.
屋面系统由主檩条、底板、次檩条、吸音层、保温层和面板组成。
Its good characteristics include low cost high durability and good property of sound absorption.
它具有成本低、耐久性高、吸声性能好的特点。
The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.
结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60，且材料的中低频吸声性能优良。
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