The cluster representative was constructed by three successive steps named Tree matching, Tree merging and Tree pruning.
为了构建聚类代表，算法通过构造最佳匹配树，合并树，修剪树三步来实现。
Compared with the merging cluster A2255, the star formation history for the late-type cluster galaxies is likely closely related to the virialization stage of parent cluster.
我们认为，是A2255中子团的并合历史导致了星系团中星系与星系之间的碰撞概率增加，从而使团中心附近的晚型星系的恒星形成活动增加了。
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