电压直角波流经并联电容后，波形将变成指数波。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id < 2592687 and id<>'2592687' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id > 2592687 and id<>'2592687' order by id asc limit 5