设机器字长为32位，存储容量为16 MB，若按双字编址，其寻址范围是 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id < 2430584 and id<>'2430584' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29992' and id > 2430584 and id<>'2430584' order by id asc limit 5