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基于空间概念的灰色关联分析及小麦成本收益评价研究
王斌,赵帮宏,郑桂茹
Grey relational analysis based on space concept and evaluation research on cost-benefit of wheat
中国农学通报 . 2009, (7): 264 -267 .  DOI: 10.11924/j.issn.1000-6850.2008-0654