资料来源 : pyDict

微波激射器

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Maser \Ma"ser\, n.
   Same as {Mazer}.

资料来源 : WordNet®

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