电路中某点电位的大小与参考点的选择有关。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69494' and id < 4501797 and id<>'4501797' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69494' and id > 4501797 and id<>'4501797' order by id asc limit 5