森林土壤氮素转化与循环在森林生态系统功能中占有极其重要的意义。
Nitrogen transformation and cycling in forest soils are of signification importance to the function of forest ecosystems.
蚯蚓是土壤中的主要动物类群，在生态系统系统中具有重要的功能。
As a main group of animals in the soil, the earthworms play important functions in ecosystem.
土壤是维持陆地生态系统功能和持续性的至关重要的有限资源。
Soil is a vital and finite resource on earth critical to maintenance of the functions and sustainability of the terrestrial ecosystem.
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