将三个不对称相量分解为三组对称相量的方法是(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69514' and id < 4503413 and id<>'4503413' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69514' and id > 4503413 and id<>'4503413' order by id asc limit 5