共 121 条
- [3] Airbus, 2018, BLUEPRINT SKY ROADMA
- [5] [Anonymous], 2022, S 516 117 C
- [6] [Anonymous], 2018, Integration of civil unmanned aircraft systems (UAS) in the national airspace system (NAS) roadmap
- [7] Baidu Maps, 2023, 2022 ANN CHINA URBAN
- [9] Ballantyne A M., 1956, J ROYAL AERONAUTICAL, V60, P363, DOI [10.1017/S0001924000122110, DOI 10.1017/S0001924000122110]
- [10] Baur S, 2018, ROLAND BERGER GMBH