英语词汇“electron lens”的中英文读音、翻译、固定搭配用法、短语词组及例句-英汉汉英双解词典-四方网

单词	electron lens
释义	electron lensn.（名词） Any of various devices that use an electric or a magnetic field to focus a beam of electrons.电子透镜：通过一个电场或一个磁场来使一束电子会聚的一种装置
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