中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21228.1-2007
Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room 声学 表面声散射特性 第1部分:混响室中无规入射声散射系数测量
Issued Date:2007-11-14
Implemented Date:2008-05-01
Issued by:
The Standardization Administration of the People's Republic of China