Read Edit View history 等价关系 děngjiàguānxì equivalence relation Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 等价关系/等價關係 · děngjiàguānxì · equivalence relation 2026/03/04 等价关系 / 等價關係 děngjiàguānxì equivalence relation (math.) equivalence relation 在集合论中，等价关系是一个核心概念。 created sense Mar 4, 2026, 02:25 AM