“Hebei Qingyazhai Guojiaji Ziran Baohuqu”的概念、定义、翻译、参考文献-科学参考

单词	Hebei Qingyazhai Guojiaji Ziran Baohuqu
释义	Hebei Qingyazhai Guojiaji Ziran Baohuqu Encyclopedia 理学河北青崖寨国家级自然保护区释 Hebei Qingyazhai Guojiaji Ziran Baohuqu河北青崖寨国家级自然保护区中国河北省森林生态系统类型国家级自然保护区。
随便看	closed contour closed convex function closed convex functional closed convex hull closed convex hypersurface closed convex set closed convex surface closed covering closed current closed curve closed-curve problem closed cycle closed cycle engine closed-cycle refrigerator closed differential closed differential field closed differential form closed differential relation closed disk closed domain closed drain system closed-easy-axis closed economy closed ecosystem closed edge sequence

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。