In calculus, it has not been proved whether or not the equivalent substitutiontheorem can be applied to the limit calculation of power-exp ential factions.
但对于求幂指函数极限,可重使用等价代换定理,微积分学教程中却没有论及。
3
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 substitutiontheorem.