| 术语 | overpunch |
| 释义 | overpunch 【动】附加穿孔；［超额打孔］ 1. To add holes in a card column or in a tape row that already contains holes. Overpunches are often used to represent special characters. 在已穿孔的卡片列中或者纸带行中附加若干孔。附加穿孔经常用来表示专用字符。 2. To add holes to perforated tape to change a character, especially to produce a delete character. 在已穿孔的带上增加穿孔以改变某个字符，尤其是用以产生删除字符。 3. 同zone punch。 |
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