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Investigation of absorption coefficient measurement of acoustical materials by boundary element method using particle velocity and sound pressure sensor in free field
[摘要]
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 声学和超声波
[关键词] Absorption coefficient;Free field;Area effect;Spherical wave field;Boundary element method [时效性] 
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