“sum”的概念、定义、翻译、参考文献-科学参考

单词	sum
释义	sum Physics sum并，并集，总数 Mathematics sum和^†，并
随便看	Lefschetz-Hopf formula Lefschetz hyperplane section theorem Lefschetz hypersurface theorem Lefschetz number Lefschetz pencil Lefschetz,Solomon Lefschetz theorem Lefschetz theorem on (1,1)-classes Lefschetz trace formula left left action left additive fractions left adherent point left adjoint left adjoint functor left adjoint homomorphism left adjoint linear mapping left almost-periodic function left almost split map left alternative law left alternative ring left amenable left A-module left analytic function left and right distributive

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。