The exact solutions to dispersive long-wave equations are obtained by a polynomial expansion method based on the idea of the homogeneous balance method.
基于齐次平衡法的思想，利用多项式展开法解得了具有色散项的长波方程组的精确解。
Some new exact elliptic periodic solutions of the dispersive long wave equations in (2 + 1) dimensions are obtained by using the method.
在此基础上，得到2 + 1维耗散长波方程组的椭圆周期解。
Auxiliary equation method is extended and applied to 2-dimensional generalized dispersive long wave equations.
用辅助方程法构建二维广义色散长波方程的精确解。
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