中国北方地区寒潮时空特征及其成因分析 |
乔雪梅, 刘普幸 |
The temporal and spatial characteristics and genesis of cold wave in northern China |
Xuemei QIAO, Puxing LIU |
图2 近58年中国北方地区四种类型寒潮发生频次空间分布 |
Fig.2 Spatial distribution of the four kinds of cold wave frequencies over northern China, 1960 - 2017 |
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