ghost image

名词 n.
中文释义

英文释义

名词 n.
  1. Any undesired image appearing at the image plane of an optical system; either a false image of the desired object, or an out-of-focus image of a bright source of light in the field of the optical system.
  2. A copy of all the contents of a hard drive, used as a backup.

词形变化

ghost images plural ghost images plural

词源

词源 1
From ghost (noun sense 3, via noun sense 4).
词源 2
After the Norton Ghost disk-cloning and backup software tool, itself an initialism of general hardware-oriented system transfer.
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