Background:Black alder(Alnus glutinosa)forests are in severe decline across their area of distribution due to a disease ......

分析将旋翼无人机应用于飞行校验的可行性,以解决当前飞行校验存在的任务策划时间长、校验要求条件严格、组织协调难度大、任务实......

2014年9月,北约联合空中力量能力中心发布《对抗环境下RPAS的脆弱性分析》报告》(Remotely Piloted Aircraft Systems in Conteste......

Extreme environments like active volcanoes exhibit many difficulties in being studied by in situ techniques. For example......