英语词汇“photoelectric scanner”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	photoelectric scanner
释义	photoelectric scanner photoelectric scanner [¦fōd·ō·i′lek·trik ′skan·ər] (computer science) A device that scans punched cards by photoelectric means, as opposed to the standard brushes or “feelers,” or mechanical plungers. (control systems) photoelectric register control
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