恒等
héng​děng

identical

  • created sense approved 恒等/恆等 · héng​děng · identical

    恒等 / 恆等

    héng​děng

    identical

    being the same in every respect or consistently equal throughout a given domain

    如果两个函数在定义域内对应的函数值都相等，则这两个函数恒等。

    verb

    created sense

  • created sense approved 恒等/恆等 · héng​děng · identity

    恒等 / 恆等

    héng​děng

    identity

    relating to a mathematical or logical identity where equality holds for all possible values of the variables

    恒等式是代数学中的一个基本概念。

    noun

    created sense