Back Frame Optimization of a Large Radio Telescope Based on Force Cone MethodQinglong WU, Zhan YAO, Tanhui WU, Houfei FANG and Yangqing HOUWuhan Univ. J. Nat. Sci., 27 5 (2022) 424-438DOI: https://doi.org/10.1051/wujns/2022275424