“dual propositions”的概念、定义、翻译、参考文献-科学参考

单词	dual propositions
释义	dual propositions Mathematics ＞拓扑学与几何学＞射影几何学·仿射几何学＞释义 dual propositions对偶命题
随便看	rural social security policy rural social stratification rural social structure rural social welfare Rural Sociological Society rural sociology rural spatial structure rural spinning rural spiritual civilization construction rural sports rural substation rural surplus labor rural surplus labor force rural sustainable development model rural tax reform rural three-tertiary health institutions rural tourism waste rural traditional industry rural transect Rural transfer population rural transformation rural transformation development rural troupe of Cantonese opera rural TV drama rural urbanization

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。