Verification regulation of reference sound source 标准声源检定规程
Requirements for the performance and calibration of reference sound sources 标准声源的性能和校准要求
Acoustics - requirements for the performance and calibration of reference sound sources for the determination of sound power levels 声学.声强级测定用基准声源的性能和校准要求
Acoustics - requirements for the performance and calibration of reference sound sources for the determination of sound power levels 声学.声功率级测定用基准声源的性能和校正要求
Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using a reference sound source 声学声压法测定噪声源声功率级使用标准声源简易法