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应用灰色系统理论—灰色关联度分析法，对西北、华北亚麻联合区域试验的8个品种（系）11个主要经济性状进行了综合描述和量化评估，通过对各品种加权关联度的比较，较为全面、客观地评价其品种的优劣和应用价值，结果表明此方法与单项产量比较法结果基本一致。而且简便有效。
Based on gray system theory and gray relational analysis method, 11 major economic traits of 8 varieties (lines) of the regional experiment of flax in the northwest and north China were comprehensively described and quantified. By comparing the weighted correlation degree of each variety, Comprehensively and objectively evaluated the advantages and disadvantages of their varieties and their application value. The results showed that this method was basically consistent with the single yield comparison method. And simple and effective.