More recently, researchers have sought to associate electromagnetic fields, the radon or hydrogen content of the soil and seismicity patterns with impending earthquakes.
最近，研究者们试图将电磁场以及土壤中氡和氢的含量与将要发生的地震类型联系在一起。
The company explains that, “Water can be produced by reducing lunar soil with hydrogen that is imported from the Earth.
该公司解释说：“水可以通过使用地球输送的氢还原月球土壤来生产。
The presence of hydrogen in the soil, meanwhile, could provide a source of fuel for lunar visitors.
在土壤中存在的氢，将为月球的探访者带来燃料。
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