同心针电极记录到正常情况下的MUAP峰 一峰波幅为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id < 2157668 and id<>'2157668' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id > 2157668 and id<>'2157668' order by id asc limit 5