We are, unfortunately, in a building up a large hill far from most of the campus, so a large portion of our upgrade costs would include dragging a new underground fiber up the slope to our lab.

很不幸的是我们的建筑在一个大山上而且远离校园的其他地区，所以我们的升级成本很大一部分花费是同上实验室斜坡的地下埋设光纤。

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The net production, natural returning and retaining amount of elements in aboveground portion were a markedly higher than that of underground in t.

红三叶群落地上部的净生产量、自然归还量和元素的存留量均显著高于地下部。

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