“杨儒怀”的概念、定义、翻译、参考文献-科学参考

单词	杨儒怀
释义	杨儒怀 Encyclopedia 艺术学﹝人物﹞释 Yang Ruhuai杨儒怀（1925-08-13～2012-05-10）中国作曲家、音乐教师。
随便看	homotopy class homotopy classification homotopy coherence homotopy coinverse homotopy-commutative homotopy-commutative diagram homotopy-commutative mapping homotopy constant homotopy continuation method homotopy covering property homotopy cylinder homotopy dimension homotopy epimorphism homotopy equivalence homotopy-equivalent homotopy-equivalent manifold homotopy-equivalent space homotopy exact sequence homotopy excision homotopy excision homomorphism homotopy excision theorem homotopy extension homotopy extension property homotopy extension theorem homotopy fiber

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。