图1蛙跳格式的浅水方程的网格形式，横坐标为轴，纵坐标为时间。

Fig. 1 The staggered mesh of the shallow water equation . The abscissa is axis. The ordinate is the time.

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方程周期初值问题构造了其C-N，“蛙跳”混合差分格式。

V. equation. A mixing leap-frog and C-N finite difference scheme is proposed.

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方程周期初值问题构造了其C-N，“蛙跳”混合差分格式。

V. equation. A mixing leap-frog and C-N finite difference scheme is proposed.

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