岩石风化成土作用是生态系统矿质元素的重要来源，也是全球矿质元素生物地球化学循环的重要环节。
Weathering and pedogenesis of rocks are important sources of mineral elements for ecological systems, and key processes of global biogeochemical cycling of mineral elements.
这些特征预示其独特的微生物生态系统和与之有关的碳循环和元素地球化学循环特征。
These characteristics bring forth a unique microbiological ecology as well as a coupled carbon and metal cycling system.
微生物在重金属元素的生物地球化学循环中扮演着重要的角色。
The microbe plays a key role in the bio-geochemical cycle of heavy metals.
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