微穿孔板吸声结构
micro-perforated panel absorber structure
双层微穿孔结构
multilayer microperfrated structure
微穿孔结构
microperforated structure
微穿孔吸声板
microperforated panel absorber
微穿孔吸声材料
micro-perforated absorption material
蜂窝状微孔结构
honeycomb porous structure
共振隧穿微结构
resonant tunneling micro-structure
微孔结构形态
microcellular structural morphology
振动－微孔吸声理论公式
vibration-pore sound absorption theory
穿孔板共振结构吸声理论
perforated panel resonance theory
单层吸声结构
single layer absorption structure
腔体吸声结构
cavity sound absorbing material
双层阻抗复合吸声结构
Sound absorbing structure
吸声材料和吸声结构
sound absorption material and structure
吸声结构
Sound absorption structure
structure of sound absorption
Sound absorbing structure
absorption structure
anechoic structure
absorbing structure
有源吸声结构
active sound absorption structure