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单词 orthicon
释义
  • orthicon

    • 英?['?:θ?k?n]
    • 美?['?θ??k?n]

    释义

    • n.
      正析,(摄)像管
  • 英英释义

    Noun

    • 1. a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
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