Strength Analysis and Optimization Design of A Platform Used for Transporting and Releasing Large Stratospheric AirshipZhou Jianglong, Meng Xiaojun, Wu Xiaolong, Cao Xiaopeng, Guo Kai, Li Yunfei and Geng BaogangMATEC Web Conf., 175 (2018) 02022DOI: https://doi.org/10.1051/matecconf/201817502022