punch time card打卡
punch-card machinery打卡机
punch-card selection穿孔卡选针装置
punch-card accounting穿孔卡片式会计系统
punch-card recorder孔卡记录器
Punch-card entry打洞卡片输入器
punch-card reader卡片阅读机
punch h card穿孔卡;打孔卡
punch-card system卡片打孔系统
N(名词) (formerly) a card on which data can be coded in the form of punched holes. In computing, there were usually 80 columns and 12 rows, each column containing a pattern of holes representing one character (旧时数据编码中用的)穿孔卡 (Sometimes shortened to card)