TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Fan-ping, XU Xin-fa, CHENG Jing-qing, WEN Tian-fu, LIU Zhang-jun T1 - Variation Characteristics of Graded Rainy Days and Rainfall Amount in Poyang Lake Area Y1 - 2020-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 22 EP - 28 VL - 37 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20190284 ER -