
近五十年来华北地区旱涝特征与全球变化的研究及对未来趋势的探讨
孙淑清
近五十年来华北地区旱涝特征与全球变化的研究及对未来趋势的探讨
A STUDY ON THE FEATURES OF DROUGHT AND FLOOD IN NORTH CHINA IN RECENT 50 YEARS AND RELATIONS BETWEEN THEM AND GLOBAL CHANGES
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