受控源反映的是电路中的耦合关系。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69476' and id < 4499843 and id<>'4499843' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69476' and id > 4499843 and id<>'4499843' order by id asc limit 5