TY - Acta Aeronautica et Astronautica Sinica A1 - MA Dongli, ZHANG Liang, YANG Muqing, XIA Xinglu, WANG Shaoqi T1 - Review of key technologies of ultra-long-endurance solar powered unmanned aerial vehicle Y1 - 2020-03-15 JF - ACTA AERONAUTICAET ASTRONAUTICA SINICA JO - Acta Aeronautica et Astronautica Sinica SP - 623418 EP - 623418 VL - 41 IS - 3 UR - https://hkxb.buaa.edu.cn N1 - 10.7527/S1000-6893.2019.23418 ER -