It is bijective if both injective and sujective.
既单又满的映射称为一一对应.
互联网
Let me have a look You have acute injective conjunctivitis. You require some treatment.
我给您检查一下您患的是急性传染性结膜炎, 需要治疗.
互联网
Let me have a look You have acute injective conjunctivitis. You need some treatment.
我给您检查一下--您患的是急性传染性结膜炎. 需要治疗.查看全文.
互联网