Noise inside a building can be reduced if both the external and internal walls are made of sound deadening materials.
建筑室内的噪音也可以得到减少，前提是外墙和内墙都要运用这种隔音材料。
2
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。
3
The noise-deadening property, flame retardant and physical property of this composite fabric are also analyzed. The fabric is of excellent noise-deadening and good processability, etc.