TY - Journal of Yangtze River Scientific Research Institute A1 - ZHAO Zi-yang, WANG Hong-rui, ZHAO Yan, HU Li-tang, LIU Hai-jun T1 - Analysis of Monthly Precipitation Characteristics of Ankang Station in Upper Hanjiang River from 1950 to 2014 Based on Chaos Theory Y1 - 2021-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 137 EP - 142 VL - 38 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20210007 ER -