穿孔卡片

• 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。
• Punched card tabulator
  穿孔卡片制表机
• Information processing . representation of 8 - bit sets on 12 - row punched cards
  信息处理.位编码字符组在行穿孔卡片上的表示法
• Punched card reader
  穿孔卡片输入器
• Small punched cards for information processing ; dimensions , requirements , test
  信息处理用小型穿孔卡片.第1部分:尺寸要求和检验
• Punched card sorting
  穿孔卡片分类
• Punched card machine
  穿孔卡片机
• Unpunched paper cards for information processing ; dimensions , requirements , test
  信息处理用纸型未穿孔卡片.第1部分:尺寸要求试验
• Surface active agents . scientific classification . reference classification on punched cards
  表面活性剂.科学分类.穿孔卡片参考分类
• A device that collates , merges , or matches sets of punched cards or other documents
  一种整理、合并或比较一组穿孔卡片或其它文档的设备。