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词汇 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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