班集体的特征明显展现出来，这说明班集体 已经处于（ ）时期。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='26164' and id < 2192594 and id<>'2192594' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='26164' and id > 2192594 and id<>'2192594' order by id asc limit 5