下列哪项不是地龙的功效

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30812' and id < 2481489 and id<>'2481489' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30812' and id > 2481489 and id<>'2481489' order by id asc limit 5