“Chinese currencies in previous ages”的概念、定义、翻译、参考文献-科学参考

单词	Chinese currencies in previous ages
释义	Chinese currencies in previous ages Encyclopedia 经济学中国历代货币释 Chinese currencies in previous ages中国历代货币 1949年中华人民共和国成立以前历代政府发行的金属货币和信用货币。
随便看	improperly posed problem improperly primitive form improper mapping improper maximum improper minimum improper motion improper movement improper multiple integral improper node improper notation improper number improper orthogonal mapping improper orthogonal matrix improper orthogonal transformation improper partial graph improper plane improper point improper principal ordinal improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation

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。