层积状的回声团块形状不规则、不活动（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27181' and id < 2252054 and id<>'2252054' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27181' and id > 2252054 and id<>'2252054' order by id asc limit 5