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基于标准化降水指数的济宁旱涝演变特征分析
李春光
Analysis of Drought-Flood Evolvement Characteristics in Jining Based on Standardized Precipitation Index
中国农学通报 . 2015, (21): 220 -226 .  DOI: 10.11924/j.issn.1000-6850.2014-2354