变址寻址和基址寻址的有效地址形成方式类似，但是 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29993' and id < 2430732 and id<>'2430732' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29993' and id > 2430732 and id<>'2430732' order by id asc limit 5