电力系统的(    )特性与网络结构(网络阻抗)关系不大。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69460' and id < 4498475 and id<>'4498475' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69460' and id > 4498475 and id<>'4498475' order by id asc limit 5