| 单词 | electrographic pencil |
| 释义 | > as lemmaselectrographic pencil electrographic pencil n. a pencil used to make electrically conducting marks that can be converted to machine-readable form (such as punched cards) for automated processing; cf. mark-sensing adj. ΚΠ 1941 Jrnl. Higher Educ. 12 479/2 Nothing appears on the answer sheet except little black marks made with special pencils containing electrographic lead.] 1942 H. A. Greene et al. Measurem. & Eval. in Elem. School 116 Electrographic pencil. 1982 Internat. Jrnl. Bio-Med. Computing 13 10 The mark sense card reader..accepts manually-fed cards marked with an IBM electrographic pencil or its equivalent. < as lemmas |
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