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冀东冬小麦降水适宜度变化及保证率风险分析
高桂芹 侯书勋 董玉武 王秀玲
Analysis on the Precipitation Suitability Trend and Cumulative Frequency of Winter Wheat in East Hebei Province
中国农学通报 . 2013, (15): 21 -25 .  DOI: 10.11924/j.issn.1000-6850.2012-2750