Flying robots, called drones, may be one of the most important technologies of the future. The number of jobs for people who know how to design, build and control them is increasing. Because of this increase, several U.S. universities and colleges started offering degrees in unmanned aerial systems, or UAS.___________________________飞行机器人,也就是无人机,可能是未来最重要的一种科技. 越来越多的人知道如何设计,制造和控制无人机了. 随着了解此项技术人的人增加,几所美国大学和学院开始开设无人机系统学位.__________________________
