| 单词 | punch card |
| 释义 | punch card punch card, punch-card n: (card storing data by means of punched holes) (计算机) SC 穿孔卡 chuān kǒng kǎ I remember when a computer was the size of a room and the data was all on punch cards. Some factories still have their employees use punch cards to clock in and out. |
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