shòu shè wēi fàng 
nínshìfǒuzàixúnqiú:受激受激辐射受激辐射微波放大器受激 受激辐射 受激辐射微波放大器gèngduōjiéguǒ...
yīngwénjièshì:
  1.   microwave amplification by stimulated emission of radiation
  2. n.  maser