“Yongping Xian”的概念、定义、翻译、参考文献-科学参考

单词	Yongping Xian
释义	Yongping Xian Encyclopedia 理学大理白族自治州释 Yongping Xian永平县中国云南省大理白族自治州辖县。
随便看	rational ruled surface rational set rational simple algebra rational singularity rational singular point rational solution rational space rational space curve rational spectral density rational spiral rational sum rational surface rational system organization rational tangle rational term rational tetrahedron rational transformation rational triangle rational trigonometric sum rational use of drug rational use of drug in aircrew rational use of medicines rational utilization of grassland resource rational variety Rational will

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。