Such programs are much needed because in many arid lands there is only a vague idea of the extent of groundwater resources.
这样的计划是非常必要的，因为在许多干旱地区，我们并不清楚其地下水资源的范围。
This paper is focused on the appraisal of groundwater resources in the south of China.
该文对中国南方地区的地下水资源评价作了一些尝试。
Hence, rational exploitation and the use of groundwater resources are the main subject at present.
因此合理开采和利用地下水资源是当今的重要课题。
The trend of groundwater resources multi-objective management model is also discussed in this paper.
本文也探讨了地下水资源多目标管理数学模型的研究方向。
The planning and construction of city and town should keep to the protected planning of groundwater resources.
只要按区开展城乡规划建设，就可有效地实现地下水保护。
The different characters of planning and management research of groundwater resources systems are depicted in this paper.
本文阐述了地下水资源系统规划和管理研究的各自特点。
Identification of aquifer parameters plays a primary and pivotal role in ensuring proper management of groundwater resources.
含水层参数的确定，是进行地下水资源科学管理的基础和关键。
To know well the water controlling features of faulted structures is meaningful in analyses and finding of groundwater resources.
掌握断裂构造对地下水的控制特征。对于分析和寻找地下水资源，无疑是有意义的。
The land-subsidence has been regarded as a lack of coordination between social development and capacity of groundwater resources.
在有效进行地下水资源管理来防治地面沉降的过程中，面临的首要问题之一就是地下水资源承载力的评估。
The study on calculation and assessment of groundwater resources in water-wind erosion crisscross region has been the weak spot all along.
水蚀风蚀交错区地下水资源计算与评价方法研究是一个薄弱环节。
The variation of groundwater table is the main manifestation of groundwater resources amount, and it is also the most important control indicator.
地下水位的变化是地下水资源量多寡最直接的表现形式，是地下水管理最重要的控制性指标。
The mathematical model of karst fissure water is established on this basis, and further evaluation of groundwater resources is made by using finite element method…
在此基础上，建立了裂隙岩溶水数学模型，同时用有限单元法对地下水资源进行了进一步评价，得出了较为满意的结果。
This paper introduces the systems theory and frequency analysis approach, which bases on the calculation of groundwater resources in Balasu Northern Shaanxi Energy.
本文以陕北能源化工基地巴拉素水源地为例，采用系统理论和频率分析法对地下水资源进行了计算。
Prediction accuracy of precipitation has an important influence on evaluation of groundwater resources that is recharged directly or indirectly by the precipitation.
降水量的预报精度对以其为直接或间接补给源的地下水资源评价具有重要的影响。
The mathematical model of karst fissure water is established on this basis, and further evaluation of groundwater resources is made by using finite element method. The result...
在此基础上，建立了裂隙岩溶水数学模型，同时用有限单元法对地下水资源进行了进一步评价，得出了较为满意的结果。
Through a study of the assessment of groundwater resources in Beijing's urban and suburban areas, the article discusses the methods of calculating the price of groundwater resources.
本文通过北京市城近郊区地下水资源核算的研究，对地下水资源价格核算方法作了探讨。
The mathematical model of karst fissure water is established on this basis, and further evaluation of groundwater resources is made by using finite element method. The result is sa...
在此基础上，建立了裂隙岩溶水数学模型，同时用有限单元法对地下水资源进行了进一步评价，得出了较为满意的结果。
The method of zoning the overpumping area is discussed, items to which attention needs to be paid in the check of groundwater resources capacity of overpumping area are finally given.
探讨了超采区划定的方法；指出了超采区资源量校核应注意的问题。
The uncertainty of the parameters may induce uncertainty calculation of water head and velocity of flow, and influence the reliability of the results of groundwater resources appraising.
参数的不确定性将导致计算的水头、流速的不确定性，并影响到地下水资源评价结果的可靠性。
Solving results of management model show the high precision, simplified solving process and efficiency for foundation and solution of groundwater resources management model of this method.
管理模型的计算结果说明该方法精度较高，工作量少，是地下水资源管理模型建立及求解的有效方法。
For revising the national standard "Hydrogeologic exploration specifications of water supply" technical requirement for numerical method of groundwater resources evaluation is supplemented.
在修订国家标准《供水水文地质勘察规范》中补充地下水资源数值法计算技术规定。
The mathematical model of karst fissure water is established on this basis, and further evaluation of groundwater resources is made by using finite element method. The result is satisfactory.
在此基础上，建立了裂隙岩溶水数学模型，同时用有限单元法对地下水资源进行了进一步评价，得出了较为满意的结果。
The Yellow River, a suspended river in Shandong, replenish groundwater for both sides in all the year around, is one of the important composition of groundwater resources along the river side.
黄河在山东境内属地上河，常年补给两侧地下水，是沿河地带地下水资源的重要组成部分。
However, there are a wide range of uncertainties affecting the accuracy of the research. And these uncertainties are increasingly becoming an obstacle to the management of groundwater resources.
然而，地下水环境系统中广泛存在的不确定因素影响着研究的精度，日益成为地下水资源管理的障碍。
The precaution measures were put forward according to the data of the survey, witch can provide some reference for us to make policies of groundwater resources protection in petroleum development.
根据评价结果，有针对性地提出了预防措施，对于石油开发过程中制定保护地下水资源的政策具有一定的参考价值。
The impact of rainfall upon the surface water and groundwater resources of the desert is greatly influenced by landforms.
降雨对于沙漠地表水和地下水资源的影响很大程度上取决于地形。
The United Nations Environment Programme and the World Bank have funded attempts to survey the groundwater resources of arid lands and to develop appropriate extraction techniques.
美国国家环境总署和世界银行开始拨款并着手调查干旱地区的地下水资源，以开发合适的开采技术。
Almost 96% of the planet's freshwater resources are stored as groundwater, half of which straddles borders.
全球96%的淡水以地下水的形式储存，其中有一半分布在国与国间的边境地区。
There are many groundwater pollution sites in China, which threatened the safety usage of water resources.
我国存在大量的地下水污染场地，给地下水资源的使用带来了严重威胁。
There are many groundwater pollution sites in China, which threatened the safety usage of water resources.
我国存在大量的地下水污染场地，给地下水资源的使用带来了严重威胁。
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