【单选题】各长度鞭状天线架设方式必须和通讯方向？

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='56294' and id < 3584631 and id<>'3584631' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='56294' and id > 3584631 and id<>'3584631' order by id asc limit 5