Read Edit View history 上域 shàngyù codomain Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 上域 · shàngyù · codomain 2026/03/04 上域 shàngyù codomain codomain of a function (math.) 在数学中，函数的上域是包含所有可能输出值的集合。 created sense Mar 4, 2026, 02:25 AM