“open set”的概念、定义、习题解题方法及翻译-数学辞典

数学辞典收录了18232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。

单词	open set
释义	SeeOpenSet
随便看	DirectIntegralOfHilbertSpaces direct integral of Hilbert spaces DirectionalDerivative directional derivative DirectionalDerivativeDerivationOf directional derivative, derivation of DirectionCosines direction cosines DirectLimitOfAlgebraicSystems direct limit of algebraic systems DirectProductOfAlgebras direct product of algebras DirectProductOfModules direct product of modules DirectProductOfPartialAlgebras direct product of partial algebras DirectProductsInACategoryOfFuncoids Direct products in a category of funcoids DirectProductsOfGroups direct products of groups DirectProductsOfHomomorphisms direct products of homomorphisms DirectSum direct sum DirectSummand