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本文提出把电流、电压、电荷和磁通作为平行的４个网络基本变量，把节点、同孔、割集和回路作为网络拓扑结构的四要素．在此基础上，提出一种研究电路问题的ＮＥＶＡＲ方法：定义了回路复合电阻、回路复合电感、回路复合电弹、割集复合电导、割集复合电容、割集复合倒电感，从而建立了ＮＥＶＡＲ方程组，全称为ＮＥＶＡＲ电路方程组．文中还对ＮＥＶＡＲ方程组同状态方程组和输入一输出方程组作了比较，展示了ＮＥＶＡＲ方程组的求解方法；讨论了ＮＥＶＡＲ方法中处理受控源的问题．把ＮＥＶＡＲ方法应用于集成电路的模拟，讨论了运用ＮＥＶＡＲ方程进行分扯和松驰的问题．
In this paper, the current, voltage, charge and flux are taken as the four basic variables of the network. Nodes, co-holes, cut sets and loops are taken as the four elements of the network topology. On this basis, a NEVAR method is proposed to study the circuit problems: the definition of the loop complex resistance, loop complex inductors, loop composite bomb, cut set composite conductance, cut set composite capacitor, cut set complex inverse inductor, thus establishing NEVAR Equations, all called NEVAR circuit equations. The paper also compares the equations of NEVAR with the equations of state and the equations of input and output, and presents the solution of NEVAR equations. The problem of handling controlled sources in NEVAR is discussed. The NEVAR method is applied to the simulation of integrated circuits. The problem of splitting and relaxation by NEVAR equation is discussed.