SIS SS-EN 27 182-1991 Acoustics Measurement at the opera- tors position of airborne noice emitted by chain saws《音响效果 在操作者的位置测量链锯产生的空中噪音强度》.pdf

相关资源

STAS 9783 3-1984 Builrling acoustics DIREC IONAL DIFFUSiTY INDEX OF AUDITORIA Method for determination《建筑物音响效果 听众席定向扩散性指标 测定方法》.pdf

STAS 1957 3-1988 ACOUSTICS BUILDING AND TRANSPORT ACOUSTICS Terminology《音响 建筑和运输音响效果 术语》.pdf

ASHRAE DA-07-002-2007 Using Numberical Acoustics to Perdict the Attenuation of HVAC Plenums《用数值音响效果来预测暖通空调中全会RP-1218的衰减》.pdf

SAE AIR 1327A-2012 Acoustic Effects Produced by a Reflecting Plane《反射平面产生的音响效果》.pdf

SIS SS IEC 500-1985 Acoustics - IEC standard hydrophone《音响效果 IEC标准水准器》.pdf

SIS SS IEC 651-1986 Acoustics Sound level meters《音响效果 声级计》.pdf

SIS SS IEC 263-1986 Acoustics Scales and sizes for plotting frequency characteristics and polar diagrams《音响效果 频率特性标图及坐标图比例和尺寸》.pdf

SIS SS IEC 373-1991 Acoustics - Mechanical couplerformeasurements on botte vibrators《音响效果 瓶状振动器测量用机械耦合器》.pdf

SIS SS-ISO 7182-1987 Acoustics - Measurement at the oper- atons position of airborne noise emitted by chain saws《音响效果 在操作者的位置测量链锯产生的空中噪音强度》.pdf

SIS SS-IEC 1012-1991 Acoustics - Filters for the measurement ofaudible sound in the presence of ultrasound《音响效果 超频率音响环境中可听声音测量滤波器》.pdf

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