| 释义 |
numeric punching
数字穿孔(法)
Data represented by the punching of single holes in each column of a field on a punched card. For example, alphabetic characters and other symbols may be punched as two holes per column.
通过在卡片上某个字段中的各列穿单孔来表示数据的一种方法。字母字符和其它符号可能要 在各列上穿双孔。 |