【摘 要】
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The region between the Tibetan plateau and the east lowland is located in the Northwest corner of Szechwan, eastern Sikang and northern Yunnan. One glance at th
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The region between the Tibetan plateau and the east lowland is located in the Northwest corner of Szechwan, eastern Sikang and northern Yunnan. One glance at the map would enable us to discover that the region is naturally divided into two distinct drainage areas. In the east are the drainage basins of the Black river and the Tsa-ku
The region between the Tibetan plateau and the east lowland is located in the Northwest corner of Szechwan, eastern Sikang and northern Yunnan. One glance at the map would enable us to discover that the region is naturally divided into two distinct drainage areas. In the east are the drainage basins of the Black river and the Tsa-ku
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