“二”的概念、定义、翻译、参考文献-科学参考

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。

单词	二
释义	二 Mathematics di-【前缀】双，二
随便看	lower closure lower closure of a concave-convex function lower closure of a concaveconvex function lower closure of a convex-concave function lower closure of a convexconcave function lower closure of concave-convex lower cone lower confidence bound lower confidence limit lower continuous lower continuous lattice lower control limit lower corona lower critical field lower critical magnetic field lower critical solution temperature lower critical solution temperature (LCST) lower culmination lower Darboux integral lower Darboux sum lower decimal approximation lower degree lower Denjoy sum lower density lower derivative