短語詞組短語Cluster k analysis 聚類分析grey cluster relation analysis 灰色聚類關聯分析cluster information analysis 信息群分gray cluster s analysis 灰色相關分析Cluster Structure Analysis 聚類結搆分析cluster -analysis 聚類分析fuzzy cluster s analysis 模糊聚類分析Cluster Validity Analysis 聚類有傚性分析grey cluster relation analysis method 灰色聚類關聯分析法 返回 cluster analysis