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单词 electrographic pencil
释义

Definition of electrographic pencil in English:

electrographic pencil

noun
  • A pencil used to make electrically conducting marks that can be converted to machine-readable form (such as punched cards) for automated processing.

Origin

1940s.

 
 

Definition of electrographic pencil in US English:

electrographic pencil

noun
  • A pencil used to make electrically conducting marks that can be converted to machine-readable form (such as punched cards) for automated processing.

Origin

1940s.

 
 
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更新时间:2024/12/23 8:52:42