题目内容
导线上出现冲击电晕后,使( )。
2020-11-27
A.导线的波阻抗减小
B.导线的波速减小
C.行波的幅值减小
D.导线的耦合系数减小
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id < 2592616 and id<>'2592616' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32605' and id > 2592616 and id<>'2592616' order by id asc limit 5