这也说明依靠河流作为淡水资源来源的人们其生活质量可通过解决个别污染问题而得到提高。
This suggests that the quality of life of those relying on the river as a freshwater source could be improved considerably by addressing the individual pollution problems.
水井是更可靠的淡水来源，加州希望这些深井能解决他们严重的水资源短缺问题。
Wells are much more reliable sources of freshwater, and California is hoping that these deep wells may be the answer to their severe water shortage.
一些学者认为，集中在这些地点的城市核心区的水资源为玛雅精英提供了一个集中的政治权力来源，而这些权力主要是基于对水资源的控制。
Some scholars argue that the concentration of water within the urban core of these sites provided a centralized source of political authority for Maya elites based largely on controlled water access.
而最大的威胁则来源于雨季的变化，该地区大部分淡水资源都来自于每年夏天的雨水。
The greatest threat of all would be from any change to the monsoon, which delivers most of the region's fresh water each summer.
如果这一做法持续下去，水资源不久后将会成为粮食生产的一大制约因素，而粮食生产是一些国家普通大众基本口粮的来源。
If this practice continues, water will soon become a limiting factor for food production as a basic staple for the general public in some countries.
研究表明，月球岩石中的水资源比地球水资源包含更多的重氢元素，意即月球水有可能来源于彗星。
Moon rocks show that lunar water has more heavy hydrogen than does terrestrial water, indicating a cometary origin.
研究表明，月球岩石中的水资源比地球水资源包含更多的重氢元素，意即月球水有可能来源于彗星。
Moon rocks show that lunar water has more heavy hydrogen than does terrestrial water, indicating a cometary origin. Christopher Intagliata reports The Apollo moon missions ended almost 40 years ago.
但为了准确评价地下水资源，为地下水的开发利用提供技术依据，必须查明地下水的补给来源。
But in order to accurately evaluate groundwater resources, it must find out the replenishment source of groundwater for providing the technique ba.
采用了以下绿色建筑的手法：水资源管理系统的材料和能源的选择，都采用可再生能源（来源以及处理）；
Green Characteristics: renewable energy sources are used for the water management (source and recovery), the choice of materials and the energy sources;
气候降水是该区水资源的主要来源之一，也是影响该区水资源周期性变化的主要因素之一。
Climate rainfall is not only one of main sources of water resources, but also one of major factors affecting periodic change of water resources over this region.
降雨是地区水资源的主要来源，研究其长期的演变特性，对于水文水资源系统的预报、模拟具有十分重要的意义。
Rainfall is the main source of water resources in any region, studying the evolvement characteristic of the precipitation is of great importance for forecasting and simulating hydrology system.
在世界的许多地方，地下水资源是人类需要的清洁饮用水的主要来源，因为可以用相当低的成本来利用它。
In many parts of the world, groundwater resources are the main source of clean and potable water for human needs as it is can be exploited with quite low cost.
降水是隆德县水资源的主要补给来源，降水资源评价在区域水资源评价工作中占有至关重要的地位。
Precipitation is the major source of the water resource in Longde County and the evaluation job of precipitation takes an important role in the water resources evaluation work.
降水是隆德县水资源的主要补给来源，降水资源评价在区域水资源评价工作中占有至关重要的地位。
Precipitation is the major source of the water resource in Longde County and the evaluation job of precipitation takes an important role in the water resources evaluation work.
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