greyingadj.灰白的动词grey的现在分词.greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey relational decision灰关联决策Grey interconnect degree灰色关联度Grey four-eyed opossumn.灰林负鼠grey relation technology灰色关联技术Grey relation clustering灰色关联聚类grey multiple regression灰色多元回归grey interrelated theory灰色关联理论grey cotton yarn in hank原色绞纱grey cotton yarn on cone原色筒子纱Grey-collared chipmunkn.灰领花鼠