| 释义 |
dup
复制品,副本
1. A punched card which is an exact copy of a previous punched card.
一种穿孔卡片,它是先前某个穿孔卡片的准确无误的拷贝。
2. Improper use of word duplex, but often meant to signify a second equipment or computing devices which would substitute for original equipment in case of failure.
“双工”这个词的一种不恰当的用法,但经常还是用来指万一出现故障时能代替原先设 备的一组后备装置或计算设备。 |