（单选）下列诗词与体现的科学原理对应不正确的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31896' and id < 2549946 and id<>'2549946' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31896' and id > 2549946 and id<>'2549946' order by id asc limit 5