oscillator [ˈɑ:sɪleɪtə(r)]

例句:

• Thus far we have negative frictional effects in the harmonic oscillator.
  到现在为止,我们一直没有考虑谐振子中的摩擦效应.
  
• It illustrates the behaviour of some simple types of oscillator.
  它描述一个简单的振荡器特性.
  
• Sonic oscillator provides a very efficient means of breaking cells or organelles.
  超声振荡器为破碎细胞或细胞器提供一种很有效的手段.
  
• In radio, the feed-back coil of an oscillator is sometimes called a tickler.
  来自A. L. Albert