The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
The water environment of Beijing is not pretty well, the surface water and ground water have been polluted to different degree.
北京市目前的水环境状况不容乐观，地表水和地下水都受到了不同程度的污染。
Unsaturated soils water is the connection of surface water and ground water, it is the source that the field crop living depends on.
非饱和土壤中的水分是联系地表水与地下水的纽带，是田间作物赖以生存的源泉。
By means of the analysis of the quality of the surface water and ground water in the syncline core above the tunnel, the flow modes of the surface water and ground water in the syncline are discussed.
通过向斜核部地表、隧道内涌水点的水质分析，对隧道上方向斜地面地下水的径流模式进行了初步探讨，明确了在向斜核部、隧道上方的地层中存在着一条地下暗河或岩溶系统。
Ordinary meteoric water is water that has soaked into the ground from the surface, from precipitation (rain and snow) and from lakes and streams.
一般的降水是指从地表渗透至地下的水，包括雨水(雨和雪)和来自湖泊、溪流的水。
According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc.
以明沟排水为对照，论述了内陆干旱重盐碱区暗管排水在排水排盐、控制地下水位、提高土壤脱盐效果及提高作物产量等方面的优越性。
Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.
氮素流入对水域的污染为非点源污染，主要导致地表水的富营养化、地下水硝酸盐含量过高等。
The leachate of landfill pollute the surface water and the ground water, and it is one of the primary factors for pollution of environment.
而其中渗滤液对地表水和地下水的污染已经非常突出，是引起环境污染的主要原因之一。
The observation results of the bridge head experimental site of Jialichen Bridge are analyzed such as vacuum degree, ground water table, flowrate, pore water pressure and surface settlement.
通过对浃里陈大桥桥头试验段的真空度、地下水位、流量、孔隙水压力、地表沉降等现场监测结果的分析；
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence.
大红山矿大理岩岩溶发育，由于突水造成井下大量涌水，同时引起地下水位急剧下降，引发了较大范围、较大规模的地面塌陷。
The useable amount of surface water resource and ground water resource in Xi'an city and the relationship between water supplying and needing are analyzed in the system.
本系统设计先进，功能齐全、实用，为西安市供水管理人员提供了雨、水、工情全面信息支持以及城市供水调度的管理信息。
The optimal models of surface and ground water system were set up based on the theory and method of water resource systems.
据此，采用系统分析理论和方法，建立地表水和地下水系统分配优化模型。
Ground water and surface water are the main resources of the drinking water at present time.
目前农药的使用越来越广泛，而地表水资源却日益短缺。
Only 0.3 percent of the fresh water is surface water, found in rivers and lakes. The rest is buried deep in the ground.
只有0.3%淡水是地表淡水，这些淡水来自河流和湖泊，其余都深埋在地下。
The primary inducing factors of sand-sliding are surface water, ground water, stream erosion, dynamic load action, wind load action, freezing-and-thawing action, plant and man-made factors.
溜砂的主要诱发因素是地表水、地下水、河流冲刷、动荷载作用、风荷载作用、冻融作用、植物及人为因素。
The primary inducing factors of sand-sliding are surface water, ground water, stream erosion, dynamic load action, wind load action, freezing-and-thawing action, plant and man-made factors.
溜砂的主要诱发因素是地表水、地下水、河流冲刷、动荷载作用、风荷载作用、冻融作用、植物及人为因素。
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