Our staff includes engineers, soil scientists, extension educators and University faculty.

我们的职员包括工程师，土壤科学家，教育家，和大学教职员。

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Environment and soil scientists were paying more and more attention to the issue of soil heavy metal pollution.

土壤重金属污染问题是环境和土壤科学研究者关注的热点问题。

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Scientists study the composition of the soil.

科学家研究土壤的构成。

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The glacier left huge amounts of soil and rocks in what scientists call the Valley Heads Moraine.

VOA: special.2009.01.05

Thirty-six years after the Viking landers collected soil on Mars, scientists can still make news by declaring that the samples indicate the presence of microbes.

NEWYORKER: The Cosmic Menagerie

He also said that scientists hope an analysis of the soil will help them get a better idea of Mars' geology.

CNN: Mars' geology 'more like Earth than the moon'

Some scientists still defend those results: the soil may have had microbes living on ice beneath the surface, they say.

NEWYORKER: The Martian Chroniclers