This paper presents a generalization of one-dimensional S-G formulation for three-dimensional current continuity equation.
本文提出了一种将一维S-G格式应用于三维电流连续性方程的方法。
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 this picture, we derive the classical analogy of the covariant continuity equation which the spin current obeys.
基于此图像，我们给出了自旋流满足的协变形式连续性方程的经典对应。
The four-dimensional data assimilation is to integrate the current and past data into a forecast model equation for providing time continuity and dynamic coupling.
应用伴随方法求解以数值预报方程作为约束条件的四维变分资料同化方案 ，关键问题是如何构造伴随模式。
The four-dimensional data assimilation is to integrate the current and past data into a forecast model equation for providing time continuity and dynamic coupling.
应用伴随方法求解以数值预报方程作为约束条件的四维变分资料同化方案 ，关键问题是如何构造伴随模式。
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