( )学制的优点是上通下达、左右互连。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26041' and id < 2184217 and id<>'2184217' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26041' and id > 2184217 and id<>'2184217' order by id asc limit 5