“Ivan Asen Ⅱ”的概念、定义、翻译、参考文献-科学参考

单词	Ivan Asen Ⅱ
释义	Ivan Asen Ⅱ Encyclopedia 历史学保加利亚历史释 Ivan Asen Ⅱ伊凡·亚森二世（？～1241）保加利亚第二王国国王（1218～1241）。
随便看	mixed-type hydropower station mixed uranium plutonium oxide fuel mixed valence mixed valence compound mixed variation mixed ventilation mixed vertex mixed volume mixed-volume theory mixed working fluid mixer mixer crystal mixer settler mixer-settler Mixian County Ancient Government Office mixing mixing angle mixing automorphism mixing condition mixing console mixing corrosion mixing/dispersing/crushing equipment mixing distribution mixing efficiency mixing encryption

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。