greytinn.灰锡greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey target contribution degree灰靶贡献度Grey relational degree analysis灰色关联度分析Grey-throated Spinetail Swiftn.灰喉针尾雨燕Grey variable weight clustering灰色变权聚类grey relation projection mothod灰色关联投影法grey particle swarm optimization灰色粒子群算法Grey - Markov prediction Model灰色马尔柯夫模型Grey situation decision-making灰色局势决策grey viscosecotton blended cloth粘棉混纺坯布grey-mode identification model灰色模式识别模型