京津冀地区近４７ａ降水量的变化特征

CN 62-1175/P
ISSN 1006-7639

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Climatic Var ia tion of Precip ita tion in Be ijing, Tian jin and Hebe i in Recen t 47 Years

ZHANG 　Jian, ZHANG Xin-Beng, WANG Xiao-Yun, ZHANG Jian-Meng

J4 . 2009, (1): 23 -28 .