受控电压源的控制量可以是（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32627' and id < 2594500 and id<>'2594500' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32627' and id > 2594500 and id<>'2594500' order by id asc limit 5