它们大多是基于电替代原理，用电功率和电能进行校准。
Most of them are based on electrical substitution principle and calibrated by electrical power or energy.
本文利用非线性电路的非线性性质和替代原理，提出一种新的非线性电阻电路参数识别法。
A new method is proposed to identify the parameters of a nonlinear resistive circuit by making use of the nonlinearity of circuits and by the substitution theorem.
根据“替代原理”和利润最大化的假定，新古典学派得出命题：利润率与人均资本量之间存在着反向单调关系。
Based on the substitute principle and profit maximization, neo-classical economics get the proposition that the relationship between profit rate and capital stock per capita is negatively monotony.
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