关于电力系统等值电路参数计算时，变压器变比的选择，下列说法正确的是(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69510' and id < 4503156 and id<>'4503156' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69510' and id > 4503156 and id<>'4503156' order by id asc limit 5