According to M. P. Norton's theoty,taking the suppression of noise in the power station of Chongqing cigarette market as an example the concerned problems in the design and evaluation of the performance of the acoustic endosure, Which is in non-closed fit
杨明伦.声学封包在环境噪声治理中的应用[J].重庆工商大学学报(自然科学版),1996,(2): Yang Minglun. An Application of Acoustic Enclosure for Suppressing the Environmental Noise[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1996,(2):