长江中上游地区马尾松林的分布非常广泛。
The distribution of Masson Pine forest is very wide in the upper ana middle reaches of Yangtse River.
严重的泥沙淤积，反映出长江中上游地区土壤侵蚀十分强烈。
Serious silt accumulation reflects the intensive soil erosion in the upper and middle Yangtze River.
加快推动长江中上游地区和俄罗斯伏尔加河沿岸联邦区的合作。
We should accelerate cooperation between regions on the upper and middle reaches of the Yangtze River and their counterparts along Russia's Volga River.
研究结果为长江中上游地区今后大规模开展石漠化防治工作提供了理论依据。
Results can be served as a basis for integrated rocky desertification control in up and middle stream of Yangtze River for the future.
重庆是中国西南地区和长江中上游的经济中心，水、陆、空交通枢纽和外贸通商口岸。
Chongqing is the central city, traffic hinge and foreign trade port along Yangtze River and in the southwest part of China.
重庆是中国西南地区和长江中上游的经济中心，水、陆、空交通枢纽和外贸通商口岸。
Chongqing is the central city, traffic hinge and foreign trade port along Yangtze River and in the southwest part of China.
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