“punched card”的概念、定义、翻译、参考文献-科学参考

单词	punched card
释义	punched card Encyclopedia 管理学情报存储技术释 punched card穿孔卡片由薄纸板制成，用孔洞位置或其组合表示信息，通过穿孔或轧口方式记录和存储信息的方形卡片。
随便看	reduced gradient reduced gradient method reduced graphene oxide reduced Grobner basis reduced Grothendieck group reduced group reduced group C*algebra reduced hemoglobin reduced homology group reduced homology sequence reduced incidence algebra reduced inspection reduced instruction set computer reduced instruction set computer, RISC reduced intersection reduced join reduced kernel reduced knot diagram reduced K-theory reduced Latin square reduced latitude reduced lattice reduced law reduced link polynomial reduced mapping cone

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