“Pontryagin class”的概念、定义、翻译、参考文献-科学参考

单词	Pontryagin class
释义	Pontryagin class Physics ＞理论物理学＞数学物理＞释义 Pontryagin class庞特里亚金类 Mathematics ＞拓扑学与几何学＞代数拓扑学＞释义 Pontryagin class庞特里亚金类 Pontryagin class庞特里亚金类^†
随便看	spleen edema spleen elimination spleen failing to manage blood spleen flaccidity spleen governing ascending clear spleen governing transportation and transformation spleen injury spleen is often deficient spleen malnutrition spleen meridian spleen occupying spleen qi spleen storing idea spleenwort spleenwort family spleen yang spleen yin Splendid Isolation splendid star Splendor Award (for professional theatrical artworks) splenectomy splenic abscess splenic artery splenic disease splenic follicle

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。