灰色关联度分析法(Grey Relational Analysis)是灰色系统分析方法的一种。是根据因素之间发展趋势的相似或相异程度，亦即“灰色关联度”，作为衡量因素间关联程度的一种方法。
文中还进一步讨论了灰色关联度法在育种选择上的应用。
Application of gray correlation degree to breeding selection is discussed.
采用灰色关联度法对烟叶配方模块主要内在品质与综合评分进行分析。
In this study, the inner quality of blending module tobacco and the integral rating were investigated by way of grey correlation degree.
此外，运用加权平均法、改进灰色关联度法和模糊综合评价法分别对候选燃气涡轮叶片材料、轴承材料和刀具材料进行了评价。
At the same time, gas turbine blades, bearing materials and cutting tool materials were evaluated by Weighted Average, Improved Grey Relational Analysis (IGRA)and Fuzzy Assessment, respectively.
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