若R0,说明该元件产生（或发出）功率，该元件为负载。（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32669' and id < 2598618 and id<>'2598618' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32669' and id > 2598618 and id<>'2598618' order by id asc limit 5