But even this is not exemplified here, and the only principle that is illustrated here is "the principle of genetic continuity".
但就算这个也没有很好在这里展示，在这里唯一展示的原理就是“基因延续性原理”。
By substituting the principle of current continuity with charge conservation, the differential equation of charge accumulation model is built.
该理论以电荷守恒原理代替电流连续性原理，建立了电荷累积模型的微分方程。
Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
根据地下水的连续方程和变分原理建立渗流场微分方程。
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