“庞特里亚金类”的概念、定义、翻译、参考文献-科学参考

单词	庞特里亚金类
释义	庞特里亚金类 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	user user account user accuracy user agent user authorization file user behavior data user-centered design user charge user cognitive style user cost user CPU time user datagram protocol user datagram protocol protocol user datagram protocol, UDP user-defined character-formation program user-defined word-formation program user documentation user elevation database user equivalent range error user experience User Experience Alliance China user experience design user experience design, UED user experience expert User Experience Professional Association

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。