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水文及水资源 河道汇流计算方法研究·················································,··············“···……孙祥燕(第4期) 中国大陆上空可降水的时空分布····················
Hydrological and water resources river convergence calculation method ····························································································································· ······················································· Sun Xiangyan (Issue 4) Spatial and Temporal Distribution of Precipitable Water over China ··················