吸声体 meaning in Chinese

absorbing body
noise reducing splitter
sound absorbent
sound absorber

First , the theoretical analysis about the micro perforated absorber is present in this paper . then , the source noise of the apu of ma60 is obtained by the outside test in airport . based on the test result , a micro perforated absorber is designed and produced
论文根据微穿孔板吸声体理论和微穿孔板消声器的基本理论，对微穿孔板消声器结构参数与吸声特性之间的相互影响进行了深入的分析和探讨；建立了一套微穿孔板吸声结构的设计方法。