Landscape features within the basin land the size of the difference between the value of inter-month changes affect runoff coefficient.

流域内地块景观功能值之间差异的大小对月际间径流系数的变化有影响。

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Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.

景观功能均值相差不大的流域之间，景观功能值标准差较小的流域，月际间径流系数的变化更加平缓。

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Therefore, the ruggedness coefficient of the fitness landscape is essential for performance of heuristics.

因此，适应度地貌的粗糙系数决定了启发式算法的求解性能。

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