声音的

• A light bell that can be sounded by the wind
  风铃可靠风来发出声音的轻铃
• A confused or harsh sound or mingling of sounds
  噪音混杂、刺耳的声音，或多种声音的混合
• The light ' s spread speed swifter than the sound
  光比声音的传播速度快
• Parameter determines how the sound will play
  参数确定声音的播放方式。
• The travel speed of light is greater than sound
  光比声音的传播速度快
• Expressing sound pressure with strength and weakness of sound
  声音的强弱宜用声压直接表示
• Study of aural user interface based on non - speech sound
  基于非语音声音的听觉用户界面研究
• Reciprocating internal combustion engines . acoustical acceptance
  往复式内燃机.声音的验收
• Speakers are the devices that produce sound
  扬声器是发出声音的设备。
• Use your voice effectively and appropriately
  注意声音的有效和正确。