正文：吸声材料及结构研究现状与展望 关键词】吸声材料；吸声结构；噪声控制 [gap=608]key words: Sound absorption materials; acoustic structure; noise control
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Sound absorption materials is always used in controlling reverberation time in the acoustical design of studios.
对演播厅混响时间的控制，在声学设计上往往通过安装吸声材料来实现。
The results show that the appropriate combination of sound absorption materials and sound absorption structures can improve the sound absorption effect, and the absorption broadband is widened.
结果表明，吸声材料与吸声结构的有机结合显著提高了结构的吸声效果，拓宽了吸声频带宽度。
This paper derives the best range of thickness of the materials by analyzing the main factors influencing the sound absorption properties of porous metal materials.
通过分析影响多孔金属材料吸声性能的主要因素，推导出材料的最佳厚度范围；
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