下列选项中能够反映正弦稳态电路功率状态的是（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id < 4500081 and id<>'4500081' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id > 4500081 and id<>'4500081' order by id asc limit 5