identity operator中文什么意思

恒等算子

恒等运算符

• identity:    n. 1.同一，一致；同一性。 2. ...
• operator:    n. 1.操作者，机务员；司机，驾驶 ...
• and operator:    与算符; 与算子

例句与用法

1. Identity operator for the unchanged value of an expression
   运算符为表达式的不变值的“一元”恒等运算符。

英文释义

名词

1. an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"
   同义词：identity, identity element