ASA S12.9 PART 5-1998 描述和测量环境声音数量和程序,第5部分协调土地用途声音描述符
Quantities and Procedures for Description and Measurement of Environmental Sound - Part 5: Sound Level Descriptors for Determination of Compatible Land Use
Quantities and Procedures for Description and Measurement of Environmental Sound - Part 5: Sound Level Descriptors for Determination of Compatible Land Use