acoustic

• Hearing protectors - testing - acoustic test methods
  护听器.检验.声学试验方法
• Acoustics . guidelines for noise control by silencers
  声学.消音器噪声控制指南
• Electro - acoustic transducers , general specifecation for
  可逆电声换能器组总规范
• Acoustics - guidelines for noise control by silencers
  声学.消音器噪声控制指南
• Standard terminology relating to environmental acoustics
  有关环境声学标准术语
• This is the acoustic muddy waters gave tommy gunn
  这把是马蒂沃特斯送给汤米甘的
• Smoke effect . acoustic controlled transformation , zoom rotation
  图象可缩放和旋转。
• Metrological terms and their definitions for acoustics
  声学计量名词术语及定义
• Speech emotion recognition using acoustic features
  基于语音声学特征的情感信息识别
• Acoustics - acoustic insulation for pipes , valves and flanges
  声学.管阀和法兰隔声