A to be determined coefficient method for finding dual operators of hierarchies of non-linear evolution equations is proposed.
本文提出了寻求非线性演化方程的对偶算子的待定系数法。
Two non—linear evolution equations are derived from the surfaces of negative constant Curvature, and equivalent transformations among solutions of these equations are given.
从负常曲率曲面导出了两个非线性演化方程，并给出了这些方程的解之间的等价变换。
With the local approximation near the rational surfaces, the analytical expressions of the evolution of non-linear tearing modes are derived from MHD equations;
本文在有理面附近的局域近似下，从MHD方程出发，求出了非线性撕裂模的时间演化的解析结果。
With the local approximation near the rational surfaces, the analytical expressions of the evolution of non-linear tearing modes are derived from MHD equations;
本文在有理面附近的局域近似下，从MHD方程出发，求出了非线性撕裂模的时间演化的解析结果。
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