“Poincare-Lefschetz duality”的概念、定义、翻译、参考文献-科学参考

单词	Poincare-Lefschetz duality
释义	Poincare-Lefschetz duality Mathematics ＞拓扑学与几何学＞代数拓扑学＞释义 Poincare-Lefschetz duality庞加莱-莱夫谢茨对偶
随便看	electronic keyboard Electronic Learning electronic let-off mechanism electronic level Electronic Lexicography electronic ligand effect electronic linear video editing electronic listening gear electronic load electronic localized state electronic magazine electronic magnetic moment electronic mail electronic mail, e-mail electronic mall electronic map Electronic market electronic market electronic marketing electronic masking electronic mass electronic material electronic measurement and metrology electronic measuring instrument electronic measuring technique

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。