在气候特别湿润的年月里，平常干涸的河床下游可能会有水流动，因为地下水在那里位抬升到了地表以上。
In particularly wet years, short stretches of an otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface.
伊斯法罕的铀转化设施，是生产六氟化铀(UF 6，一种铀化合物转化为气体，进入离心机进行浓缩)的装置，在地表以上易于攻击。
The Isfahan conversion plant, which produces uranium hexafluoride (UF6, the uranium compound that is passed as a gas into the centrifuges to be enriched), is above ground and vulnerable to attack.
为了与周边环境保持同质性，在周边环境不显得突兀，地表以上周边的墙全部是由石头建造。
To maintain a homogenous atmosphere with the surrounding tranquility, and not stand out in the landscape, the external walls above ground are stone heaps.
将EM 38水平放置在地表以上不同高度，仪器e M读数随高度的变化与不同深度土层的盐分含量分布有关。
Deposing EM38 horizontally at different heights above the ground, the variation of EM readings has a relation to the salt contents in different depths of soil layer.
在库区实地的研究结果表明，在新开垦的坡耕地幼龄果园里，若果树间地表无其它作物覆盖时，有32.6％以上的降雨以地表径流的形式流失；
Results indicated that over 32.6% rainfall will loss by pathway, if crop doesn't cover with the earth's surface of orchard.
因此，要想从植被覆盖的角度来控制土壤有机碳的流失，则应该将地表植被覆盖度维持在66%及其以上。
It meant that losses of organic carbon of soil suddenly decent when the vegetation coverage amounted to 66% or so.
因此，要想从植被覆盖的角度来控制土壤有机碳的流失，则应该将地表植被覆盖度维持在66%及其以上。
It meant that losses of organic carbon of soil suddenly decent when the vegetation coverage amounted to 66% or so.
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