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电子射束
meaning in Chinese
electron stream
Examples
An electron gun shoots a beam of electrons at a screen coated with a substance which lights up when the electrons hit it .
电子枪把电子束射向萤光屏,萤光屏上涂有一层被
电子射束
照射时能发光的物质。
Related Words
电子射击指挥仪
电子射流
电子射束产生器
电子射束磁强计
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