Characteristics of Precipitation Variation in Heilongjiang River Basin
YAN Bo, ZHANG Xiao, XIA Zi-qiang, GUO Mian-chen, LIU Chen-xi, LUO Yun-ying
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2019, (7): 14 -17 .  DOI: 10.11988/ckyyb.20171298