At the initial stages of restoration, improvement on the soil biological properties by lichen and moss were represented mainly on surface layer soil.

在恢复初期，地衣和苔藓对土壤生物学性质的改善主要体现在土壤表层。

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There are some main influence factors, which are the manners of improvement of foundation, soil layer structure, soft soil depth and embankment height.

影响软土路基侧向变形的主要因素有：地基处理型式、土层结构、软土厚度和路堤高度。

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There are some main influence factors, which are the manners of improvement of foundation, soil layer structure, soft soil depth and embankment height.

影响软土路基侧向变形的主要因素有：地基处理型式、土层结构、软土厚度和路堤高度。

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