9Chen Jing, Han Juncai, Yan Fang, et al. Characteristics of hail- stone disaster and the risk zoning in Shijiazhuang [J] [J]. Meteoro- logical and Environmental Research, 2010, 11: 80- 84.
10Doesken N J. Hail, Hail, Hail!: the Summertime Hazard of Eastern Colorado [ R/OL ]. [ 2014-01-02 1. http://159. 226. 251. 229/videoplayer/hail- 1994. pdf? ich u r i = 7f33 fdec2cb20e94288bl 1 c68ccebbf3&ich s t_a_r t = 0&ich_e_n d =0&ich_k e y = 1545018906750763192456&ich_t_y_p_e = 1 &ich d_i_s_k_i_d = 6&ich_u n_i_t = 1.