由发电机调速系统的频率静态特性而引起的调频作用称为(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69456' and id < 4498126 and id<>'4498126' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69456' and id > 4498126 and id<>'4498126' order by id asc limit 5