Flood control requires the reservoir maintain low levels of water to allow for the inflow of flood waters, while power generation requires high levels of water in the reservoir.

抵御洪水需要水库保持低水位运行，以容纳洪水的流入，而水库只有保持高水位才能满足发电的需要。

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Yamashita Bothriochloa water, water clarity, water stability, the inflow in the reservoir area.

山下白羊河水，水质清澈、水量稳定，流入库区。

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A feasibility study was conducted for treating Guanting Reservoir inflow by using bio-filters.

进行了生物滤池系统在低温下对官厅水库入库水生物预处理可行性研究。

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These dams, such as Xayaburi, will have no significant storage capacity and are known as run-of-river projects, where the flow through the powerhouse and spillway is virtually the same as the inflow to the reservoir.

ECONOMIST: Letters