英语词汇“gas focusing”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	gas focusing
释义	gas focusing gas focusing [′gas ‚fō·kəs·iŋ] (electronics) A method of concentrating an electron beam by utilizing the residual gas in a tube; beam electrons ionize the gas molecules, forming a core of positive ions along the path of the beam which attracts beam electrons and thereby makes the beam more compact. Also known as ionic focusing.
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