元代法律专门规定了哪种制度?()

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26920' and id < 2236215 and id<>'2236215' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26920' and id > 2236215 and id<>'2236215' order by id asc limit 5