清代华北蝗灾时空分布及其与水旱灾害的关系*
Spatial-temporal distribution of locust plague and its relationship with flood/drought in North China during the Qing Dynasty
清代华北蝗灾时空分布及其与水旱灾害的关系* |
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萧凌波 |
Spatial-temporal distribution of locust plague and its relationship with flood/drought in North China during the Qing Dynasty |
| 清代华北蝗灾、水灾、旱灾极端多发区对比 |
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