根据不同期次钾长花岗岩在地球化学组分方面存在的差异变化，有助于了解地壳成分及地壳构造运动在时间上的演化。
There is variation of geochemical composition in the different stage moyite, which will help us to understand the evolution of the crustal composition and movement in the time.
从土壤-地下水主组分的垂向变化及其动态分析，它们反映了所处的河流微地貌部位、气候和人为措施等的影响，并遵循着地球化学组分的迁移规律。
The dynamics of the vertical variations for main component in the soil groundwater reflects the influences of landform, climate, man made measures and the migration law of geochemical components.
要确定气候变化是如何改变北极湖泊的这种生物地球化学循环系统，德莱夫尼克的研究小组分析了来自加拿大北极地区和挪威斯瓦尔·巴德9个湖泊的沉积物岩心样本。
To determine how climate change alters this biogeochemical cycle in Arctic lakes, Drevnick's team analyzed sediment cores from nine lakes in the Canadian Arctic and in Svalbard, Norway.
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