.当要求误码率值越小时，则系统 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id < 2448276 and id<>'2448276' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id > 2448276 and id<>'2448276' order by id asc limit 5