“元至正六年宋史”的概念、定义、翻译、参考文献-科学参考

单词	元至正六年宋史
释义	元至正六年宋史 Encyclopedia 历史学古印本释 History of Song Dynasty,block-printed edition,sixth year of the Zhizheng era,Yuan Dynasty元至正六年《宋史》中国元代刻本。
随便看	astrographic camera Astrographic Catalogue astrographic catalogue astrographic chart astrographic doublet astrographic map astrographic objective astrographic plate astrographic position astrographic refractor astrography astro-gravimetric leveling AstroGrid Astro-H X-ray astronomy satellite astroid astroidal ellipsoid astroid catacaustic astroid evolute astroid involute astroid pedal curve astroid radial curve Astroinformatics astroinformatics astrolabe astrolithology

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。