采用基址寻址可扩大寻址范围，且 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29993' and id < 2430730 and id<>'2430730' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29993' and id > 2430730 and id<>'2430730' order by id asc limit 5