“card reproducer”的概念、定义、翻译、参考文献-科学参考

单词	card reproducer
释义	card reproducer [`kärd ´rē·prǝ`düs·ǝr] ^{COMPUTER SCIENCE} A machine that makes a duplicate of a punched card.
随便看	boundary map boundary marker boundary monument boundary pillar boundary point boundary survey boundary value component boundary value problem boundary wave boundary wavelength bound barrel bound charge bounded difference bounded function bounded growth bounded linear transformation bounded product bounded sequence bounded set bounded sum bounded variation bound electron bound glue state bounding mine bound level

科学参考收录了103327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。