maser是什么意思_maser怎么读_音标'meɪzə
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maser是什么意思音标:英 ['meɪzə]美 ['meɪzə]
n. 微波激射器
[电] 微射
n. an acronym for microwave amppfication by stimulated emission of radiation; an amppfier that works on the same principle as a laser and emits coherent microwave radiation