求翻译：集总电路中电压、电流的约束关系，运用独立电流、电压变量的分析方法，大规模电路分析方法概要，分解方法及单口网络，简单非线性电阻电路的分析等内容。是什么意思？

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In lumped circuit voltage, electric current restraint relations, utilization independent electric current, voltage variable analysis method, large-scale circuit analysis method outline, decomposition method and single mouth network, simple non-ohmic resistor electric circuit contents and so on analy

Lumped circuit voltage and current constraints, with independent current, voltage variable analysis method, large scale circuit analysis methods summary, and stand-up network decomposition method, simple content analysis of nonlinear resistance circuit.

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