Exact equation which is also called complete differential equation. The general books on differential equations only simply introduce basic solution.

在一般微分方程讲义中，只简单介绍恰当方程的基本解法。

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Tracing algorithm for Thevenin equivalent parameters based on complete differential equation was presented in consideration of parameter variation during calculation.

考虑戴维南等值参数在跟踪计算过程中不断变化的实际情况，提出基于全微分的戴维南等值参数跟踪计算方法。

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