中级层次 中级层次 中级层次是能分析这二十个电路中的关键元器件的作用，每个元器件出现故障时电路的

功能受到什么影响，测量时参数的变化规律，掌握对故障元器件的处理方法；定性分析电路

信号的流向，相位变化；定性分析信号波形的变化过程；定性了解电路输入输出阻抗的大小，

信号与阻抗的关系。有了这些电路知识，您极有可能成长为电子产品和工业控制设备的出色

的维修维护技师 维修维护技师 维修维护技师 维修维护技师。 -Intermediate level Intermediate level Intermediate level Intermediate level is to analyze the circuit in the twenty role of key components, each component fails, the function of the circuit be affected, changes of measurement parameters, master of the fault components approach　qualitative analysis of the circuit signal flow, phase change　qualitative analysis of the change process the signal waveform　qualitative understanding of the size of the circuit input and output impedance signal and impedance relations. With knowledge of these circuits, you will most likely grow into electronic products and industrial control equipment repair and maintenance technicians for the excellent repair and maintenance technicians repair and maintenance technicians repair and maintenance technician.