过去，人们使用了太多的地下水。
人们使用了太多的地下水，这些年来温度变得更高了。
People used too much underground water. The temperature has become higher over the years.
地下水和岩石下面是石油。
地下水位的上方是包气带，雨水从中渗透。
Above the water table is the vadose zone, through which rainwater percolates.
地下水位是不平坦的，而是通常随地势而变化。
The water table is not flat but usually follows the contours of the topography.
北京的地下水正在经历一场危机。
现在普遍使用计算机管理地下水库。
Computers are in widespread use now to help manage underground water reservoir.
主要水源：各种地下水资源。
主要水源：当地地下水。
这些确实给地下水造成了麻烦。
他们对不能使用地下水感到很不满。
They were not satisfied that they could not use underground water.
还有一种可能就是它们随着地下水流到了那里。
Another is that they migrated there in underground water currents.
过度抽取地下水引起的地面沉降。
Surface subsidence (ground depression) caused by the overuse of ground water.
地下水位已经由于抽水而在下降。
Already the water table is declining because of the pumping.
当地下水位变得太低时，井便干枯。
饱和层里的上水平线叫做地下水位。
The upper level of water in the saturated zone is called the water table.
过分的开采地下水，会造成地面下陷。
Overexploiting underground water will cause land subsidence.
靠自然补充大量地下水是十分缓慢的。
Natural replenishment of this vast supply of underground water occurs very slowly.
地下水位一直在下降，温度却年年上升。
地下水系具有其自身的特点。
当雨水不足时，灌溉系统会使用地下水。
Irrigation systems use water from underground when there is not enough rain.
本法所称水资源，包括地表水和地下水。
The water resources referred to in this Law include surface water and groundwater.
第八部分对地下水库环境影响进行了评价。
In the eighth part, the underground reservoir's environmental impact is discussed.
这些生物体，如果存在的话，最可能会在地下水中找到。
These organisms, if they exist, are most likely to be found in groundwater.
地下水位因干旱已降低。
它是研究地下水系统时、空特征的重要信息。
It is important information to study the space time characteristic of the groundwater system.
一旦渗入地下水，地下核废料储存设施将变得尤为危险。
Undergroundrepositories of nuclear waste are particularly dangerous if they can seep intogroundwater.
对该堤段内地下水的分布规律有了初步认识。
The regularity of distribution of ground water level is primarily understood.
对该堤段内地下水的分布规律有了初步认识。
The regularity of distribution of ground water level is primarily understood.
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