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中文摘要：
简要介绍了集对分析的原理，阐述了基于集对分析的年径流预测的基本思想和步骤。通过长江寸滩站年径流集对预测实例分析并与模糊优选预测结果进行了对比。研究表明集对分析法具有计算简单、关系结构清晰、预测精度较高的特点。可应用于年径流预测。
英文摘要：
The basic principle of set pair analysis （SPA） is discussed and the basic thought and procedure of annual runoff forecast based on SPA is also presented in this paper. According to the data from Cuntan Station of the Yangtze River, the forecast method of annual runoff is presented and compared with the fuzzy analysis. The results indicated that the presented method of set pair analysis is more accurate, simpler and more reasonable, and is feasible to the forecast of annual runoff.
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