If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.
如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。
It's then drained into a nearby water supply, like a river, or pumped into the ground, where it is reintroduced into the below-ground water supply.
此后水就排入附近的供水系统，例如河流，或者泵入地下，再进入地下供水管网。
Our seamlessly integrated below-ground subway and above-ground bus mobile television advertising network enables our advertising clients to reach tens of millions of urban commuters daily.
我们对地下地铁和地上公交移动电视广告网络的无缝连接，能够让我们的广告客户每天覆盖数千万上班族。
The above - and below-ground biomass in the subsurface wetland is more than that in surface flow wetland.
潜流湿地的地下生物量和地上生物量均高于表面流湿地。
They have designed a system which pumps up water from nearly 1,000 feet below ground.
他们设计了一个能从地表以下1000英尺处抽水的系统。
The team placed highly sensitive electrical devices about one kilometer below ground in two different places.
研究团队在两个不同地点的地面以下一公里处安置高敏感电气设备。
It smashed on the ground below, narrowly missing some children at play.
这个花盆在地上砸得粉碎，差点就砸中了在旁边玩的小孩。
Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.
对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。
Everybody gets what a train is, whether it's above ground or below ground.
每个人都知道列车是什么，无论它运行在地面或地下。
Flowers, leaves and stems grow above ground. Roots grow below ground.
花、叶子和茎长在地面之上。根长在地面之下。
This is a technique we use a lot in the office because it not only adds interest below the ground plane but also explains where the section is cut and how it relates to the floor plan.
这是一个我们在办公室里用了多次的技术，因为它不仅增加了对地平面以下区域的关注度和兴趣，而且也解释了剖面是从哪里剖开的以及它和平面图之间的关系。
The relatively low-level cumulus clouds (below 15,000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
上图中，相对较低的积云（低于4500米）很可能是地面附近的水汽受太阳辐射，与低层大气发生对流所形成的。
The relatively low-level cumulus clouds (below 15, 000 feet) shown in this image are likely the product of moisture near ground level being cooked by the Sun and convected into the lower atmosphere.
上图中，相对较低的积云（低于4500米）很可能是地面附近的水汽受太阳辐射，与低层大气发生对流所形成的。
It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.
它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。
Even the passengers, accustomed to the chaos of the streets above, were well-behaved below ground.
甚至那些习惯于地面街道上混乱状态的乘客在地下也表现良好。
In this case, the Fukushima Daiichi nuclear complex's back-up diesel-powered generators were built below ground level.
而在这一次事件中，福岛核设施的备用柴油发电机都被建在地平面以下。
But as they soon discover, not everyone - above ground or below - is so accepting of their unprecedented friendship.
但是他们很快发现，不是每个人——无论地上还是地下——都能接受他们绝无仅有的友谊。
The local limestone is so porous that all the rainwater immediately sinks below ground.
当地的石灰岩如此多孔以致所有的雨水很快渗到地下。
Widespread overgrazing disturbs water cycles, reducing replenishment of above and below ground water resources.
大面积过度放牧扰乱了水循环、减少了地表和地下水资源的补充。
Roads, which use up 12% of Singapore's land area, will increasingly be put below ground too.
公路占据新加坡12%的土地，以后会有更多的公路也要被修到地下。
Some parts of the fence are 17 feet high, with metal plates extending ten feet below ground to prevent tunnelling.
部分栅栏有17英尺高，金属板延伸到地下10英尺以排除挖隧道的可行性。
根生长在地下。
Trees in real forests might also share information below ground.
在真正的森林中，树木可能还会在地下交流信息。
A shoot originating form below ground.
从地下长出的枝条。
of which seven were below the ground.
其中有七层楼是建在地下的。
The science library is below ground!
科学图书馆在地下！
The science library is below ground!
科学图书馆在地下！
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