“步天歌”的概念、定义、翻译、参考文献-科学参考

单词	步天歌
释义	步天歌 Encyclopedia 理学﹝天文学名著﹞释 Bu Tiange《步天歌》用诗歌形式介绍全天星官的一部天文学著作。又称《丹元子步天歌》。 Astronomy Song of Pacing the Heavens步天歌
随便看	Princess Yingluo Princess Zhao Jun Princeton University Library（PUL） Prince William Sound PrinceWu Tripod Prince Xingxian Principal principal principal adele principal-agent problem principal-agent theory principal-agent with government participation principal analytic fibration principal analytic set principal and secondary graph analysis principal antiautomorphism principal approximate value principal argument principal automorphism principal axes principal axes of stress principal axis principal-axis method principal axis of inertia principal axis of strain

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。