greyzem灰色土
greyadj.灰色的n.灰色vi.变成灰色=<美>gray
Grey cast iron pipe flange灰铸铁管法兰
grey rela- tion analysis灰色关联分析
grey relational projection灰关联投影
grey relationship analysis灰色关联分析
grey related system theory灰色系统理论
grey differential equation灰色微分方程
grey level value statistic灰度统计
grey level co-occurrence灰度共生矩阵
grey level tran sformation[计] 灰度变换