greytinn.灰锡greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey building synthesization method灰色生成综合集成法grey fuzzy comprehensive evaluation灰色模糊综合评判Grey Congruence Relations of Groups群的灰同余关系grey correlation clustering analysis灰关联聚类法Grey-Correlative-Degree analysis灰色关联分析grey relative degree analysis method灰色关联分析法Grey increment model of discreteness离散灰色建模grey statistical clustering analysis灰色统计聚类grey cluster and relational analysis灰色聚类关联评估grey synthetically relational degree灰色综合关联度