英语词汇“vacuum phototube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	vacuum phototube
释义	vacuum phototube vacuum phototube [′vak·yəm ′fōd·ō‚tüb] (electronics) A phototube that is evacuated to such a degree that its electrical characteristics are essentially unaffected by gaseous ionization; in a gas phototube, some gas is intentionally introduced.
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