The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬覆盖层性能的影响具有明显不同的特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱的呼外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据结构理论基础以及多孔材料的机理,结合非织造布的结构特点,析了非织造布的原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对覆盖层能的影响具有明显不同的特。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

去凯瑟琳屋，她垂头丧气地坐着，除了浅弱的呼外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据结构理论基础以及多材料的机理,结合非织造布的结构特点,系统分析了非织造布的原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对吸覆盖层吸性能的影响具有明显不同的特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱的呼吸外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据吸结构理论基础及多孔吸材料的吸机理,结合非织造布的结构特点,系统分析了非织造布的吸原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对吸覆盖层吸性能的影响具有明显不同的特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地，了浅弱的呼吸外，没有一点生。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

吸结构理论基础以及多孔吸材料的吸理,结合非织造布的结构特点,系统分析了非织造布的吸原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对覆盖层能的影响具有明显不同的。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱的呼外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据结构理论基础以及多孔料的机理,结合非织造布的结构点,系统分析了非织造布的原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，背衬对覆盖层性能影响具有明特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱呼外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据结构理论基础以及多孔材料机理,结合非织造布结构特点,系统分析了非织造布原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对吸覆盖层吸性能的影响具有明显不同的特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱的呼吸外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据吸结构理论基础以及多孔吸材料的吸机理,结合非织造布的结构特点,系统分析了非织造布的吸原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

结果表明，不同背衬对吸覆盖层吸性能的影响具有明显不同的特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然瑟琳屋，她垂头丧气地坐着，除了浅弱的呼吸外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据吸结构理论基础以吸材料的吸机理,结合非织造布的结构特点,系统分析了非织造布的吸原理。

The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.

果表明，不同背衬对覆盖性能影响具有明显不同特性。

And then on to Katherine,sitting desolately,no sign of life except for her shallow breathing.

然后去凯瑟琳屋，她垂头丧气地坐着，除了浅弱呼外，没有一点生机。

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据理论基础以及多孔材料机理,合非织造布特点,系统分析了非织造布原理。