电流互感器在运行中的误差主要是由电流互感器的（  ）决定的。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69484' and id < 4500585 and id<>'4500585' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69484' and id > 4500585 and id<>'4500585' order by id asc limit 5