已知一非正弦电流它的有效值为（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32635' and id < 2595031 and id<>'2595031' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32635' and id > 2595031 and id<>'2595031' order by id asc limit 5