Some plants store reserves of water to see them through a drought; others send roots deep down to subsurface water supplies.
有些植物储存水分来使它们度过干旱；另一些则把根深深地扎入地下水源。
This study is concerned essentially with subsurface water.
这里的研究主要针对地下水。
The gold mining has effects on the surface and subsurface water to some extent in the Wolongquan River valley.
卧龙泉河流域金矿开发在一定程度上对卧龙泉河水及该区的地下水产生影响。
The region between subsurface water and surface water is the hyporheic zone(HZ) with intensive biogeochemical activity.
地表水-地下水的交错带是地表水与地下水的混合区域，该区域内生物地球化学活动强烈。
Groundwater — Subsurface water that occurs beneath a water table in soils, rocks, or in fully saturated geological formation.
地下水——在土壤，岩石，或全湿地结构的地下水位下发现的地表水。
The content of dissolved trace metals (Cu, Pb, Zn, Cd) in the surface microlayer and subsurface water in the Nansha region was determined.
对南沙海区微表层和次表层中溶解态痕量金属铜、铅、锌、镉的含量进行了测定，并探讨了其与DOC的关系。
The analytic method of dynamic simulation of combined operation of the surface and subsurface water and its application are presented in this paper.
本文阐述了地面水、地下水联合调度的动态模拟分析方法及其应用。
For the first time, the Huabei Oil Fields exploited the deep subsurface water below 400 meters in the centre area of Hebei during the middle of 70s.
七十年代中期，华北油田于冀中地区首次开发了400米以下深层地下水。
According to the permeating theory of the underground water, the principle of preventing the subsurface water draining is put forward for tunnel analyzed.
根据渗流计算的原理分析了“灌浆封堵”外水压力的作用机理。
Some ideas about simplifying the procedures of dynamic simulation analysis of combined operation of surface and subsurface water are presented for discussion.
文中对简化地面、地下水联合调度的动态模拟分析过程，提出一些看法供商榷。
The wellhead high pressure wireline control system can conduct close-in tests without bleeding off fluid and pressure, and keeping normal subsurface water injection.
高压井口电缆密封控制系统可在不泄流、不放压，维持井内正常注水条件下进行密闭测试。
Geologic radar was widely used in near-surface geophysical surveying, such as detecting subsurface mineral, movement anomaly, subsurface water pollution, ground pipeline, road bet etc.
探地雷达广泛应用于近地表地球物理中，如探测地下矿物情况、异常活动、地下水污染、管道、路基以及水下探物等。
The top finisher here was Saturn's moon Titan, which scored 0.64, followed by Mars (0.59) and Jupiter's moon Europa (0.47), which is thought to host a subsurface water ocean heated by tidal flexing.
排在前几位的最终优胜者是：土星的卫星—土卫六，得分为0.64，其次是火星(0.59)以及木星的卫星—木卫二(0.47)，它这被认为拥有一片由潮汐可挠性加热的地下海洋。
Results were shown that, subsurface water mostly comes from the North Pacific while the intermediate water originates from both the North and South Pacific Ocean, even possibly from the Indian Ocean.
分析结果表明，ITF的次表层水源主要来自北太平洋，中层水源地既包括北太平洋、南太平洋，同时也不能排除有印度洋的可能性。
On Mars, subrosion is widely observed when rising magma heats frozen ground water, which melts and removes subsurface material as it flows away.
在火星上，当深处上升熔岩加热融化地下水冰时，基底侵蚀非常常见，因为这些地下水会流失，带走地下物质。
The overall region where this water exists is called the subsurface biosphere.
这些水存在的全部区域称为地下生物圈。
Obtained water dye for doing investigations into possible cross talk between yard drains and subsurface drains - testing ongoing.
得到水性燃料进行实验以调查地表水和地下水排水之间可能的串流。
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。
Its novel approach involves analyzing the DNA of tiny microbes that coexist with the oil, water, and rock in the subsurface.
该方法的新奇之处，主要是通过分析分布在地下岩石中与油、水共存的微生物的DNA。
N in the main form of nitrate through the subsurface runoff was put into the stream, the vegetation-covered riparian had high on the nutrient in the soil water.
溪流相邻高地通过地下径流向溪流中N素的输入，主要是以硝态氮的形态通过土壤水的输入；
Water that has been injected into the subsurface during a frac job.
压裂作业期间注入地下的水。
Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.
地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。
A mathematical model whose variable is water head can simulate the effects of water head and properties of subsurface irrigation pipe on irrigation.
以压力水头为因变量的数学模型可以模拟供水压力和灌水器特性对灌溉效果的影响。
Water in the subsurface below the water table. Groundwater is held in the pores of rocks, and can be connate, from meteoric sources, or associated with igneous intrusions.
位于地下水位以下的水。地下水是保存在岩石孔隙中的水，可以是同生水、大气水、或与火成侵入岩体伴生的水。
The movement of light oil(gasoline and kerosene)in subsurface homogeneous water saturated zone and water unsaturated zone were simulated in a two-dimensional sand trough model.
在二维砂槽模型中模拟了轻质油在均匀多孔介质地下水非饱和区和饱和区中的运移过程。
The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.
采用滴灌和渗灌栽培的灌水量显著减少，极大地提高了水分生产率。
The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.
采用滴灌和渗灌栽培的灌水量显著减少，极大地提高了水分生产率。
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