SV信号订阅端采用的逻辑节点前缀统一为（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29473' and id < 2398573 and id<>'2398573' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29473' and id > 2398573 and id<>'2398573' order by id asc limit 5