短語詞組短語Identity Linear Operator 性算子identity function operator 恒等算子identity y operator 恒等運(yùn)算符ID ID identity operator 恒等運(yùn)算符operator identity 算符恒等式Inter -Operator Identity 運(yùn)營商網(wǎng)間標(biāo)識Access Point Name -Operator Identity 接入點(diǎn)名稱 返回 identity operator