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1·Sound absorbing material (10) as vehicle exterior equipment includes nonwoven fabric (20) containing main fibers and binder fibers.

本发明的车辆外装用吸音材料(10)包括无纺布(20)，该无纺布(20)具有主纤维和粘合纤维。

2·The nonwoven fabric (20) of the sound absorbing material (10) as vehicle exterior equipment may consist of two types of nonwoven fabrics (22,24) superimposed on each other.

该车辆外装用吸音材料（10） 的无纺布（20）也可以包括层叠起来的两种无纺布（22）、（24）。

3·It is a new type of insulation, sound-absorbing material inflammable isolation.

它是一种新型的保温、隔燃、吸声材料。

4·In this paper, research of acoustic characteristics and developments of underwater sound-absorbing material are surveyed in view of material acoustics.

结合近年来水下目标吸声材料和结构的应用及研究，从材料声学设计的角度，讨论了水下吸声材料的声学特性和研究进展。

5·The absorption properties of sound-absorbing material and its location in the room is a very important part of room acoustics study. The study methods are measured in the laboratory.

吸声材料的吸声特性及其在室内的位置布置是室内声学研究的一个非常重要的部分，目前多是在实验室中进行测量研究。

6·Glass cotton is recognized superior thermal insulation, heat insulation, sound-absorbing material.

玻璃棉是目前公认性能优越的保温、隔热、吸音材料。

7·The new sound-absorbing material made from PVC, NBR and other inorganic compounds was studied. This material has good sound-absorbing properties in the low frequency.

利用PVC、NBR、 无机物等制成了一种吸声材料，该吸声材料具有低频吸声系数高、成型加工简单、成本低等优点。

8·Mute the use of advanced series of sound-absorbing material, and optimize the internal structure, to achieve the purpose of reducing noise unit.

静音系列采用先进的吸声材料，优化内部结构，达到降低机组噪音的目的。

9·Centrifugal glass cotton belongs to the porous sound-absorbing material, have good sound-absorbing performance.

离心玻璃棉属于多孔吸声材料，具有良好的吸声性能。

10·The most important acoustical property is the sound insulating or absorbing quality of the material.

最重要的声学特性是隔音或吸音材料的质量。