.选取非关联方向某元件功率为负(P＜0)，说明该元件（   ）功率。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id < 4502666 and id<>'4502666' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id > 4502666 and id<>'4502666' order by id asc limit 5