本文利用微分方程单位解矩阵估计的相关方法，得到了确定含有非线性电阻的动态电路唯一稳态的条件。
Based on the estimation of the unit solution matrixes of differential equations, the unique steady state of the dynamic circuits with nonlinear resistors is studied by matrix measure.
本文导出了太阳灶工作时的非稳态能量传输微分方程序，其解展示了太阳灶对不同辐射输入的动态响应。
Analyzing the heat balance of the water-heating process of solar cookers, this paper presents the differential equation of the energy transfer during the transient working condition of solar cookers.
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