noun 下载 🔗分享 一一对应，双射。 A one-to-one correspondence, a function which is both a surjection and an injection. Examples : "The perfect attendance awards were in bijection with the students who achieved perfect attendance, meaning each award went to exactly one student with perfect attendance and every student with perfect attendance received an award. " 完美全勤奖和获得完美全勤的学生之间存在一一对应关系，也就是说，每个奖项都恰好发给了一位获得完美全勤的学生，并且每位获得完美全勤的学生都得到了一项奖励 (双射). math logic function 与AI对话词汇游戏阅读练习
