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中文摘要：
传统的多孔吸声材料在中高频段有着良好的吸声性能,但在低频段的吸声效果却不佳。介绍了多孔吸声材料的吸声机理,吸声材料的的种类及发展趋势,重点介绍了纳米材料与多孔吸声材料复合后对其吸声性能的影响,特别是对低频段吸声性能的提高,并对吸声材料的发展趋势做了展望。
英文摘要：
The traditional porous absorption material has good sound absorption performance at high frequencies and poor performance at low frequencies. The sound absorption mechanism of porous absorption material,the types and development tendency of sound absorption material were introduced,the influence of composite material with nanomaterial and porous absorption material on sound absorption performance was mainly discussed,especially for the improvement of performance of low frequency sound absorption. And the development tendency of sound absorption material was put forward.
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