“穿孔卡片”的概念、定义、翻译、参考文献-科学参考

单词	穿孔卡片
释义	穿孔卡片 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	integral of a differential equation integral of a differential form integral of a function integral of angular-momentum integral of Cauchy type integral of center of gravity integral of functions of complex variable integral of generalized energy integral of generalized momentum integral of motion integral of potential type integral of three-body problem integral operator integral over a surface integral over coordinates integral over trajectories integral part integral part function integral path integral payoff integral penetrant test device integral point integral polyhedron integral polynomial integral polytope

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。