系统发生两相短路，短路点距母线远近与母线上负序电压幅值的关系是()。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id < 4507013 and id<>'4507013' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id > 4507013 and id<>'4507013' order by id asc limit 5