punch card

柯林斯词典

punched card (also punch card)

[美国英语]

• 1. N (formerly) a card on which data can be coded in the form of punched holes. In computing, there were usually 80 columns and 12 rows, each column containing a pattern of holes representing one character (旧时数据编码中用的)穿孔卡 (Sometimes shortened to card)

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