1736—1911年华北饥荒的时空分布及其与气候、灾害、收成的关系 |
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萧凌波 | ||||||||||||||||
Spatio-temporal Distribution of Famine and Its Relationship with Climate, Disaster, Harvest in North China During 1736-1911 |
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Lingbo Xiao | ||||||||||||||||
表1 基于语义差异的饥荒等级划分标准 |
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Table 1 Quantification of famine grade based on semantic differential method |
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