己知某用电设备的复阻抗则其功率因数λ为（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id < 2594798 and id<>'2594798' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id > 2594798 and id<>'2594798' order by id asc limit 5