identity

核心释义

who or what a person or thing is; the set of characteristics that make someone or something recognizable

1. 1.

   相同,等同；(多个指定事物)是同一事物的性质或事实

   Sameness, identicalness; the quality or fact of (several specified things) being the same.

2. 2.

   区分个体或群体与同类其他者的差异或特征；自我；某人或某物或自身的身份感,或使他人或自身能识别该个体或群体的反复出现的特征

   The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themselves.

3. 3.

   一个人展现给世界的名字或角色——面具或外表——由此为人所知

   A name or persona—a mask or appearance one presents to the world—by which one is known.

4. 4.

   An equation which always holds true regardless of the choice of input variables.

5. 5.

   Any function which maps all elements of its domain to themselves.

6. 6.

   An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.

同一性；完全相同；公开身份；形象；角色；恒等式；恒等函数；单位元；幺元