common mode短语⁷²⁴²⁶ 基本例句 共模,普通方式 It is difficult to design and build an effective power line EMI filter for switched mode power supply without distinguishing the differential or common mode component from conducted noise. 诊断开关电源传导干扰的主要性质，分别测量共模干扰和差模干扰，是正确设计电源 EMI滤波器的第一步。 cnki