如图，当变阻器的滑片P滑动时，四个电表的示数变化的绝对值分别为△I1、△I2、△U1、△U2，则有（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15524' and id < 2638037 and id<>'2638037' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15524' and id > 2638037 and id<>'2638037' order by id asc limit 5