短时记忆的信息容量为（）个组块。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26609' and id < 2216134 and id<>'2216134' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26609' and id > 2216134 and id<>'2216134' order by id asc limit 5