洪峰散点序列在一定尺度范围内表现出了自相似性和分形特征，可用分形理论划分洪水分期。
The flood events have self-similarity and fractal characteristic for certain duration, the fractal theory can be used to determine the division of flood stage.
这说明河流、水系在一定尺度范围内是自然分形体，具有统计自相似性，可应用分形理论对其进行研究。
It comes to a conclusion that river and water system are natural fractal in the range of a certainty scale and hold statistical self-similarity.
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