TY - Journal of Changjiang River Scientific Research Institute A1 - QU Xing, XU Ji-jun, WU Guang-dong, HUO Jun-jun, WANG Yong-qiang, ZHANG Xiao T1 - Spatio-temporal Characteristics of Precipitation Variation in Qinghai Province and Its Relationship with Sunspot Y1 - 2022-02-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 14 EP - 20 VL - 39 IS - 2 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20201122 ER -