“开元钱”的概念、定义、翻译、参考文献-科学参考

单词	开元钱
释义	开元钱 Encyclopedia 历史学中国古代钱币释 Kaiyuan coin开元钱中国唐代通行的圆形方孔铸币。
随便看	time bill time-bounded Turing machine time budget time censored test time change time characteristic time chart time coarse check time code time comparison time complexity time complexity class time-complexity function time constant time constant of guidance system time constant of turbogenerator time-constructible function time continuous Petri net time contour time coordinate time correction time correlation time correlation function time cost function time curve

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。