ma·ser /ˈmezɚ/
  微波激射器
  ma·ser /ˈmezɚ/ 名詞
  [=microwave amplification by stimulated emission of radiation]微波激射器,受激輻射式微波放大器
  ma·ser n.
  1. Same as Mazer.
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  maser
       n : an acronym for microwave amplification by stimulated
           emission of radiation; an amplifier that works on the
           same principle as a laser and emits coherent microwave
           radiation