Read Edit View history 一一映射 yīyīyìngshè bijection Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 一一映射 yīyīyìngshè bijection (math.) bijective map 在数学中,一一映射是指既是单射又是满射的映射。 Edit Delete References Add reference No references for this word.