“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	mass customization mass defect mass deficit mass degradation mass density mass destruction mass diffusivity mass discrepancy mass discrimination mass discrimination effect mass discussion mass dispersion mass distribution mass distribution function mass distribution of fission fragments mass distribution of fission product mass distribution of fission products mass education mass education museum mass ejection mass ejector mass electrophoregram mass-energy equation mass-energy equivalence mass energy relation

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。