Jun-Ru Shi, Xin-Liang Wang, Yong Guan, Jun Ruan, Dan-Dan Liu, Yang Bai, Fan Yang, Hui Zhang, Feng-Xiang Yu, Si-Chen Fan, Shou-Gang Zhang. A method of accurately determining temperature of cold atomic cloud in atomic fountain [J]. Acta Physica Sinica, 2019, 68(19): 190601-1