clusteryadj.群的；球的; 簇的clustern.群；簇；丛；串v.群集；丛生；使成群cluster mutation束状突变, 簇状突变cluster validity聚类有效性clustered method聚类分析Cluster rotation聚类轮换cluster-sender群发器cluster computer群集计算机cluster analyses聚类分析clustering index聚类索引clustered cities都市圈cluster terminal群集终端