古黔中即今湘西的沅水、澧水流域地区。
In ancient Qianzhong is today Yuan River, Li River area in western Hunan.
在时间上，澧水流域大部分范围内土壤侵蚀已经得到有效控制；
The predictions facilitate water and soil conservation, provention of soil erosion and division.
以澧水流域并联系统为例进行了优化调度计算，并以常规调度方案成果进行了分析比较论证。
The optimization operation is calculated taking Lishui river basin parallel connection system as the example compares it and the conventional operation scheme results.
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