根据GB/T31464—2015，变电站采集功率量的引用误差不大于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id < 2398970 and id<>'2398970' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id > 2398970 and id<>'2398970' order by id asc limit 5