单词	covariance
释义
随便看	duality invariant duality mapping duality of linear space,dual pair of linear space duality principle duality principle (category) duality principle in Boolean algebras duality principle in predicate calculus duality principle of ordering relations duality principle of posets duality principle of set algebra duality property duality theorem duality theorem duality theory dual kernel of Boolean algebras dual lattice dual linear operator dual linear programming dual linear programming of asymmetric form dual linear programming of symmetric form dual map dual mapping dual mapping dual matroid dual modular pair

数学辞典收录了63749条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。