如图所示，把两个电源的U-I关系曲线取相同的坐标，画在同一坐标系中，由图象可得出的正确结论是（  ） 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15527' and id < 2638348 and id<>'2638348' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15527' and id > 2638348 and id<>'2638348' order by id asc limit 5