Temporal and Spatial Change Characteristics of the Minimum Temperature and Frost Days During the Spring Frost Stage in Ningxia
ZHU Yongning, FENG Dongpu, LI Hongying, DUAN Xiaofeng, ZHENG Fang
Journal of Arid Meteorology . 2020, (2): 256 -262 .  DOI: 10.11755/j.issn.1006-7639(2020)-02-0256