土壤侵蚀综合防治工程技术等。
The engineering technology of the comprehensive prevention of soil erosion and so on.
川中丘陵区是我国水土流失最为严重的区域之一，人口众多，耕地稀少，土壤侵蚀严重，因此被列入长江上游水土流失重点防治工程的核心区域。
Soil and water erosion in hilly areas of the middle Sichuan Basin is extraordinary seriously in China. This area has an enormous population, but the field is not enough.
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