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  1. Oxford Dictionary

    ghost image

    • n.
      a faint secondary image caused by a fault in an optical system, duplicate signal transmission, etc.

    • noun: ghost image, plural noun: ghost images

    • 釋義

    名詞

    • 1. a faint secondary image caused by a fault in an optical system, duplicate signal transmission, etc. the screen can be viewed from different positions without encountering ghost images