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。
The influence of disc dimension parameters, velocity, soil properties, tool surface properties on the disc coulter force were analysed by comparison with the experimental results.
结合试验研究结果，分析了圆盘参数、工作速度、土壤特性和表面材料等对圆盘受力的影响规律。
Results show that response at surface points of the alluvial soil deposit are amplified significantly for given conditions of shape, dimension and material properties of the soil and the canyon.
计算结果表明：在给定河谷形态、尺寸和材料性质条件下，沉积层表面各点的响应显著放大。
We used statistical methods to quantify the effects of land use types, impervious surface, and soil physical properties on 17 flow metrics in three aspects.
在此基础上运用统计学方法从三个方面研究土地利用、不透水层、土壤物理特性等流域特性对这17个流量指数的影响。
The drainage condition combining with the time-dependent properties of the surrounding soil played an important role in the evolution of long-term surface settlement over tunnels in soft soils.
软土隧道地表长期沉降特性与隧道的渗透性以及周围土体的时效特性密切相关。
This paper reviews the applications of fractals in research of physical properties of soil:(1)fractals have been used to describe physical parameters of soil such as density and specific surface area;
本文从两个方面介绍了土体物理性质的分形研究：（1）分形用于定量描述土体的的密度，孔隙表面积等物理参数；
This paper reviews the applications of fractals in research of physical properties of soil:(1)fractals have been used to describe physical parameters of soil such as density and specific surface area;
本文从两个方面介绍了土体物理性质的分形研究：（1）分形用于定量描述土体的的密度，孔隙表面积等物理参数；
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