名詞 maser:

1. 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

ma.ser

n.（名詞）
Any of several devices that amplify or generate electromagnetic waves, especially microwaves.
微波激射器：擴(kuò)大或產(chǎn)生電磁波的儀器，尤其是產(chǎn)生微波

來(lái)源：
m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)
m(icrowave) a(mplification by) s(timulated) e(mission of) r(adiation)