“Tongji Weir”的概念、定义、翻译、参考文献-科学参考

单词	Tongji Weir
释义	Tongji Weir Encyclopedia 历史学河渠水工释 Tongji Weir通济堰中国南北朝至清代水利灌溉工程。
随便看	proper embedding proper energy proper equation proper equilibrium proper equivalence proper exisitence proper extension proper extension field proper extension ring proper extremal field proper extremal set proper face proper face of a simplex proper factor proper factor group proper filter proper flag manifold proper forcing proper forcing axiom proper forcing axiom (PFA) proper fraction proper function proper game proper generator proper group

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。