计算机的算法具有以下性质（）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id < 4497713 and id<>'4497713' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id > 4497713 and id<>'4497713' order by id asc limit 5