1) the upper and middle reaches of four rivers
四水中上游区
2) Zone of Backwater Upstream
上游壅水区
3) the middle and upper reaches of the Yuan River
沅水中上游
1.
This article gives an analysis of the Shang-Zhou-archaeological cultural properties in the middle and upper reaches of the Yuan River and originally reveals that the setup of Miao,Yao,Tujia,and Dong minorities in this area was formed during the Shang and Zhou period.
通过对沅水中上游地区商周时期考古学文化特点的分析,揭示了本地区现存主体少数民族(苗、瑶、土家、侗)分布格局早在商周时期就形成了。
5) the middle and upper reaches of the Yangtze River
长江中上游地区
1.
The area of soil erosion and sediment discharges of rivers in the middle and upper reaches of the Yangtze River have been increasing.
长江中上游地区水土流失面积不断增加 ,河流输沙量连年增加 ,导致河道、湖泊淤塞 ,蓄洪行洪能力减弱 ,抗洪压力增大。
补充资料:长江中上游防护林
中国在长江中上游流域各省区实施的林业生态工程。规划造林667万公顷,以恢复和扩大森林植被,遏制水土流失。建设时间为1989-2015年。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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