Extraction of water depends on two properties of the aquifer: porosity and permeability.

水的开采取决于含水层的两个性质：孔隙度和渗透性。

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Community members may reside temporarily in one of the lower zones to manage the extraction of products unavailable in the homeland.

社区成员可以暂时居住在一个较低的区域，以管理在本土无法获得的产品的提取。

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Petroleum engineers plan and manage the extraction of oil.

石油工程师们规划并管理石油的提炼。

《柯林斯英汉双解大词典》

One of my areas is extraction of metals.

我研究的领域之一就是金属的提取。

麻省理工公开课 - 固态化学导论课程节选

I'm interested in nonaqueous electrochemistry, so molten salts and polymers, the applied research. First of all, interested in environmentally sound technologies for extraction, refining, recycling of metals.

我对非水溶剂电化学感兴趣，还有熔盐和聚合物，以及应用性研究，首先，对环保型技术提取感兴趣,如金属的提取和精炼，以及循环回收。

麻省理工公开课 - 固态化学导论课程节选

We have to invent a process, a chemical extraction process that will make the production of magnesium cheaper so that we will have the opportunity to avail ourselves of energy-efficient materials.

我们必须发明出一种方法，一种化学提炼方法,能够使生产镁变得更便宜,那样我们才有机会,让我们自己用上高效能的材料。

麻省理工公开课 - 固态化学导论课程节选

It says only 8.9% of concessional loans have been used to support the extraction of such resources.

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Gould, mentioned in an interview that extraction of shale in Europe would pose its own technological and logistical challenges.

FORBES: Halliburton Benefits As Europe Looks For Energy Security

That way, no single extraction of rent is too onerous to be noticed much or to generate much resistance.

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