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
多孔微结构 porous microstructure
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 micropore structure; cellular structure; pore structure; Microstructure; micro-pore structure; Micropores structure; Micro-porous Structure; microporous structure; microcellular structure; structure of pore; ceramic coating; microcosmic structure; Microbore structure; micropore microstructure; Cell str ucture; Porous structure; microporous construction; microhole structure; multi-pore 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
双层吸声结构 double layer structure
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 anechoic structure; absorption structure; absorbing structure; Sound absorption structure; structure of sound absorption; Sound absorbing structure
有源吸声结构 active sound absorption structure