The water-flow in fracture is not directly proportional to the waterhead.
裂缝水流量与水位不呈正比关系。
The collocation of forest types is one main research item of constructing waterhead oriented conservation forest in Miyun reservoir.
水源保护林林种的合理配置是密云水库水源保护林建设中的重要研究内容之一。
The paper also estimate the environmental influences of the waterhead area, and provides water protection countermeasures for the area.
对李子园水源地可能产生的环境影响进行了分析，初步提出了水源地保护措施。
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