“Pei Xian”的概念、定义、翻译、参考文献-科学参考

单词	Pei Xian
释义	Pei Xian Encyclopedia 理学徐州市释 Pei Xian沛县中国江苏省徐州市辖县。
随便看	homotopy invariance homotopy invariant homotopy invariant functor homotopy inverse homotopy inverse mapping homotopy length homotopy lifting homotopy lifting property homotopy lifting theorem homotopy method homotopy monomorphism homotopy of chain mappings homotopy of chain maps homotopy of mappings homotopy of maps homotopy operation homotopy operator homotopy pair homotopy parameter homotopy path homotopy polynomial homotopy principle homotopy pro-group homotopy property homotopy 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。