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.
改进的灰色关联模型与普通灰色关联模型相比，可以突出关联度的微小变化，且更加科学。
Compared with common gray association model, the innovated gray association model may better display minor change in association degree and it is more scientific.
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