关于超声成像基本原理的认识，下列哪项是错误的：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24998' and id < 2129047 and id<>'2129047' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24998' and id > 2129047 and id<>'2129047' order by id asc limit 5