释义 |
punch (卡片)穿孔(机);[打孔;打孔机] 1. A device for making holes in some kinds of data media. 在某种数据媒体上作孔的一种设备。 2. A perforation, as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。 3. A device that interprets coded electrical signals so as to produce the holes in cards or tapes. 一种可以解释编码电信号以便在卡片或纸带上作孔的设备。 参阅 card punch, calculating punch, digit punch, eleven punch, gang punch, handfeed punch, keyboard punch, keypunch, numeric punch, reproducing punch, spot punch, summary punch, twelve punch, zone punch。 |