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| 21. | Sino-Vietnam land boundary during the period from 1644 to 1885, which led to the boundary negotiations between |
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| 22. | In the course of the frequent communication between the Han Dynasty and the surrounding minority peoples |
| 在汉朝与周边的少数民族进行频繁的各种交往活动中，汉朝之名也遂被其他民族用来称呼华夏民族，形成了世界上人数最多的民族--汉族。 |
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| 23. | theporcelain production was at a low tide in the district of Shanglinhu(上林湖) in the transitional period between |
| 上林湖隋唐早期窑址的数量、制品质量、装烧工艺技术等方面表明隋至初唐时期，上林湖地区的瓷业生产还处在低谷阶段。 |
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