南京航空航天大学近日在渝研制开发出的隔音、降噪新型材料。褶壁夹芯声屏障及吸声结构是一种新型轻质宽频带吸(声)波结构,该结构是90年代多功能复 Nanjing University of Aeronautics recently developed in Chongqing, noise, noise reduction of new materials. Pleated wall sandwich sound barrier and sound absorption structure is a new type of lightweight broadband absorption (sound) wave structure, the structure of the 90’s multi-function complex