气候环境驱动下的中国北方早期社会历史时空演进及其机制
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Spatial-temporal evolution of early history of north China (1600 BC-300 AD) and dynastic cycle driven by climate change
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图5. 西汉气候演化特点及流民情况 |
Fig. 5. Comparison of climate change and refuge records over the Han Dynasty |
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