n. 微波激射器

[电] 微射

[ noun ]
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
<noun.artifact>

maser \ma"ser\, n.
1. Same as {Mazer}.

2. (Physics) [from Microwave Amplification by Stimulated
Emission of Radiation.] An electronic device producing
coherent monochromatic microwave radiation; it produces
less noise than other forms of microwave oscillator.
[acronym]
[PJC]