下列数据中（）是非线性结构。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30251' and id < 2447235 and id<>'2447235' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30251' and id > 2447235 and id<>'2447235' order by id asc limit 5