要加强对长江上游侵蚀泥沙，特别是金沙江下游区工程建设增沙的研究。
Research about erosion and sediment in the upper Yangtze river should be enhanced especially about sediment increase by project construction in the lower Jinsha river.
要加强对长江上游侵蚀泥沙，特别是金沙江下游区工程建设增沙的研究。
Research about erosion and sediment in the upper Yangtze river should be enhanced especially about sediment increase by project construction in the lower Jinsha river.
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