依据Q/GDW679《智能变电站一体化监控系统建设技术规范》，站控层网络最常用的组网方式是（ ）结构。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29469' and id < 2398834 and id<>'2398834' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29469' and id > 2398834 and id<>'2398834' order by id asc limit 5