Read Edit View history 逆映射 nìyìngshè inverse map Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 逆映射 · nìyìngshè · inverse map 2026/03/04 逆映射 nìyìngshè inverse map inverse map (mathematics) 如果一个函数是双射的，那么它一定存在逆映射。 created sense Mar 4, 2026, 02:25 AM