Read Edit View history 打孔卡 dǎkǒngkǎ punch card Origin Definitions Defs Strokes Stroke Words Sentences Sents 打孔卡 dǎkǒngkǎ punch card a card used in early computing that contains data represented by the presence or absence of holes in predefined positions
打孔卡 dǎkǒngkǎ punch card a card used in early computing that contains data represented by the presence or absence of holes in predefined positions