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Journal of Arid Meteorology
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CN 62-1175/P
ISSN 1006-7639
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Nonlinear Characteristics of Drought in Northwest China Based on Approximate Entropy
JIN Hongmei, QIAO Liang, YAN Pengcheng, ZHANG Wei, GAO Shiyu, ZHANG Jin
Journal of Arid Meteorology . 2019, (
5
): 713 -721 . DOI: 10.11755/j.issn.1006-7639（2019）-05-0713