Soil is a vital and finite resource on earth critical to maintenance of the functions and sustainability of the terrestrial 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。
Forest plays very important role in adjusting ecosystem balance as the principal part of terrestrial ecosystem and important natural resource for people to live on.
森林是人类赖以生存的重要自然资源，作为陆地生态系统的主体对调节生态平衡具有不可替代的作用。
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