如图所示二端网络的电压电流关系为（）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32671' and id < 2598875 and id<>'2598875' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32671' and id > 2598875 and id<>'2598875' order by id asc limit 5