守则的最大特点是（ ）。  

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31817' and id < 2543032 and id<>'2543032' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31817' and id > 2543032 and id<>'2543032' order by id asc limit 5