“Zhai Fengda”的概念、定义、翻译、参考文献-科学参考

单词	Zhai Fengda
释义	Zhai Fengda Encyclopedia 文学【已故学者】释 Zhai Fengda翟奉达（883～约962）中国五代时敦煌文人、历法家。原名再温，字奉达。
随便看	closed composition closed cone 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

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。