ducol-punched card system

英 [ducol-punched card system]
美 [ducol-punched card system]

中文释义

[计] 12行穿孔卡片系统, 每列多孔卡片系统

单词分析

单词结构：

ducol-punched card system

字母数：25

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🎯 重点记忆：

  • 单词拼写：ducol-punched card system
  • 核心含义：[计] 12行穿孔卡片系统, 每列多孔卡片系统

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更新时间：2025-12-20 06:32:06