About CHOY Y S
About Hong Kong Polytechnic Univ., Kowloon, HKG
About HUANG L
About Hong Kong Polytechnic Univ., Kowloon, HKG
About Journal of the Acoustical Society of America
About silencer
About Noise and vibration in general
About ヘリウム
About 空洞
About ドラム
About 消音器