关键词: 水系,分维,分形,流域地貌,甘肃省,祖厉河[gap=603]keywords: river networks,fractal dimension,fractal,drainage geomorphic,Gansu Province,Zuli River
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分形理论为流域地貌形态等复杂体系的定量化研究提供了一种有效工具。
Fractal theory provides an effective tool for quantitative study of some complex system such as watershed topographic feature.
尽管其运用在流域地貌中才刚刚开始，但人们已感觉到它强大的生命力。
Although. it is a beginning to apply it in the drainage geomorphology, its strong vitality has been displayed.
研究方法排除了选取集水面积阈值时的主观性，提高了提取流域地貌参数的精度。
The proposed approach removes the subjective decision on the choice of drainage area threshold, and improves exactness of extracting geomorphic parameters.
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