absorbing sound materials
active sound absorption
active sound absorption structure
average sound absorption coefficient
Capillary sound absorption theory
coefficient of sound absorption
drainage and sound absorption performance
sound absorption
吸
吸声
声波吸收
声音吸收
吸声系数
吸声特性
吸声降噪
吸声性能
声吸收
声音分析器
吸声量
吸音
吸震
隔音
sound absorption coefficient
吸声系数
吸音系数
测定吸声系数
吸声率
吸音率
边界元素法
sound absorption coefficients
sound absorption efficiency
sound absorption efficient
Sound absorption material
sound absorption perfonnance
sound absorption slippers
underwater sound absorption material
EM absorption materials
microwave absorption materials