英语词汇optical maser怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optical maser
释义	optical masern.（名词） A laser, especially one that produces visible radiation.激光器：一种激光器，尤指能产生可见射线的激光器
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