| 单词 | punch card |
| 释义 | punch card in American English US a card with holes positioned in it for interpretation by an automatic data-processing machine or for quick mechanical selection punch card in American Englishnoun a card having holes punched in specific positions and patterns so as to represent data to be stored or processed mechanically, electrically, or photoelectrically Also: punchcard, punched card Word origin [1940–45]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: black box, sealant, silkscreen, whiteout, zapExamples of 'punch card' in a sentence |
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