若主存每个存储单元存放16位二进制代码，则 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29991' and id < 2430549 and id<>'2430549' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29991' and id > 2430549 and id<>'2430549' order by id asc limit 5