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。

Tumen waterhead site is the main water supply source of drinking water for urban citizens and water use for industry and agriculture.

土门水源地位于临汾市西部边山土门一带，是临汾市城市居民生活饮用水和工农业用水的主要供水水源，其附近建有两座焦化厂。

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。

So it is a important task of waterhead management that understanding the foundation of water pollution and preventing water from being polluted.

了解水污染源，防止水污染产生和进一步恶化是水源管理中的一项重要任务。

The upper reservoir overflow dam of Yangjiang pumped storage power station shows the characteristics of high waterhead, narrowing river bed in dam site and steep slope.

针对阳江抽水蓄能电站上库溢流坝具有高水头、坝址河床狭窄、坡度陡峭等特点，通过水力模型试验研究优化了溢流坝及其消能工体型，解决了溢流坝的消能问题。

The present paper tries to study through model experiments the law governing the waterflow in clay fractures and proposes the concept of the critical rising rate of the waterhead.

通过模型实验，研究粘土体裂缝中的水流规律，提出了临界水位上升速度的概念。

The whole ecological benefit shows downtrend, especially the area of nutrient waterhead and water and soil benefit in forest get large, and on the contrary the forest area lessens.

整体森林生态效益价值呈下降趋势，特别是森林的涵养水源和保持水土效益价值在森林面积增加的情况下反而下降。