“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	vertex dioptric power vertex disjoint subgraphs vertex-edge graph vertex enumeration vertex figure vertex function vertex group vertex incidence matrix vertex independence number vertex independent number vertex-induced graph vertex linear arboricity vertex mapping vertex of a complex vertex of a cone vertex of a conic vertex of a convex cell vertex of a cube vertex of a curve vertex of a graph vertex of a hypergraph vertex of an angle vertex of an ellipse vertex of a network vertex of an oval

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。