material acoustic performance
material acoustic performance
材料声学性能
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The noise-deadening property was also analyzed and pointed that it was a new composite material which has much high performance such as excellent noise-deadening and acoustic absorption etc.
对该降噪复合材料的降噪性能进行了测试分析，结果表明这是一种轻质、吸声隔声效果较好的新材料。
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