目前雷达发射的电磁波频率多在200MHz至1000MHz的范围内。下列关于雷达和电磁波说法不正确的是(      )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='8731' and id < 708541 and id<>'708541' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='8731' and id > 708541 and id<>'708541' order by id asc limit 5