(2018 •江西）无人机，广义上为不需要驾驶员登机驾驶的各式遥控飞行器。一般 特指军方的无人侦察飞机。当今世界,在军用无人机开发领域最为先进的两个国家是：

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29347' and id < 2389566 and id<>'2389566' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29347' and id > 2389566 and id<>'2389566' order by id asc limit 5