Closure cover system is one of important parts of landfill site construction, it includes landfill gas discharge guiding layer, geotechnical film, drainage layer and plant cover surface soil layer.
封场覆盖系统是垃圾卫生填埋场建设的重要组成部分，覆盖系统包括气体导排层、土工膜、排水层、植被表土层。
Duricrust is a hard layer on or near the surface of soil.
铝铁硅钙壳是土壤表面或其附近的一层硬物。
Thatch can be described as the layer of organic residue located immediately between the sward and the soil surface.
土壤腐殖质层可被定义为在草皮与土壤表面之间的一层有机残留物。
The sample is from the surface soil that scientists say covers a layer of ice.
科学家称上面覆盖一层冰的土壤样品是来自火星表层。
During the brief summer, a thin layer of frozen soil thaws at the surface.
短短的夏季里，表面很薄的一层冻土融化了。
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。
Salt crust is a unique layer that forms on the soil surface under drip irrigation with saline water in the shelterbelts along the Trim Desert Highway.
盐结皮是咸水滴灌条件下塔里木沙漠公路防护林土壤表层形成的一种特殊层结。
Soil aggregate degree increased with no-tillage years, especially in the surface layer.
土壤团聚度随免耕年限的增加而增加，表层增加更明显；
And is described as a physical synthesis which composed of water, soil and vegetation and the process is dominated by that of water in the surface layer of the earth.
是地球表层上由水、土和适生植被相互作用构成，其内部过程为水所控制的自然综合体。
Humus layer in different forest types and soil surface type and quantity of soil fungal communities have a significant difference.
不同林型腐殖质层和土壤表层的土壤真菌群落种类和数量都具存在显著差异。
The results showed that the compaction treatment measure conducted could be efficient to improve the moisture of the surface layer soil and improve the quality of the coal rejects reclaimed farmland.
结果表明，通过压实层处理措施可有效改善表层土壤水分，提高矸石复垦耕地质量。
The mixed forest transformed net increase in forest litter layer of the soil surface allowed the small soil bulk density and larger soil porosity.
改造后的纯林内增加了土壤表面的枯枝落叶层，从而使得其内的土壤容重小，土壤孔隙度变大；
For three kinds of different soil layer construction, the characters of the platform values and the characteristic periods of ground surface acceleration response spectra were studied.
系统地研究了软夹层在底部、中部和顶部的三种土层结构的反应谱平台值和特征周期的主要特征。
The data of daily-variety indicates the lowering of intension of plant transpiration is later than evaporation of soil surface, because transpiration can consume the deeper layer water.
从日变化数据来看，植物蒸腾由于能消耗更深层次的水分，其强度的减弱要迟于土壤蒸发。
A problem is coating the earth with cement or bitumen on a large scale that would change the horde structural of the microbe in soil particularly in the surface layer of soil.
提出用水泥以及沥青大规模地覆盖土壤对于土壤，特别是土壤表层的微生物种群结构将会造成改变的问题。
The regularity and parameter of surface movement aroused by mining under thick soil layer and thin base rock have its obvious characteristic and regularity.
厚松散层薄基岩下开采引起的地表移动规律及地表移动参数，有其明显的自身特点和规律。
Atrazine has a good solubility in soil, so it easily migrates to deep layer or transported to the surface water or groundwater by the river.
阿特拉津具有土壤淋溶性，易被雨水、灌溉水等淋溶至较深层土，或是随地表径流进入地表水和地下水中。
The water permeability below the red soil surface layer is not the main factor that induces soil erosion.
红壤表层以下的透水状况不是造成土壤侵蚀的主要因素。
Under stratum condition of thick soil layer, we can study it as random medium and use probability integral method to estimate surface movement.
在厚松散层地层结构条件下，可将其视为随机介质，采用概率积分法预计地表移动变形。
The surface water deficit index is extracted based on the dual-layer evapotranspiration model, including soil water evaporation and vegetation transpiration.
地表缺水指数是通过基于亚像元的双层蒸散模型提取的，它既考虑了土壤的水分蒸发，又考虑了植被的蒸腾。
However, most studies claiming to show carbon sequestration benefits for no-till only measure the carbon stored in the surface layer of soil (the top 20 cm).
然而，大部分声称免耕有益与碳固存的研究，仅仅测量了储存在土壤顶层(顶层20cm)中的碳。
The crust is constituted by the rock and a surface layer of soil with depth H over it. The incident seismic wave is a vertical SH shear wave to cause horizontal ground motion.
地壳由半无限大的基岩上一层厚度为H的表土层组成，入射地震波为垂直的SH波，产生水平地面运动。
Fire can also reduce the content of organic matter (SOM) in the surface layer, and it's most obvious in the O and A soil layers at the same year after burning.
火烧会减少湿地土壤的有机质含量，火烧当年湿地土壤草根层与腐殖质层有机质含量下降尤为明显；
Results show that the temperatures at the ground surface and in the soil decrease due to the inclusion of aerosols into the boundary layer, low-level clouds also cools the subcloud atmosphere.
模拟结果表明，边界层内低云和气溶胶都能使地面和土壤温度下降； 而低云还能使云下大气降温。
The water and soil loss not only bring on entironment worsement, but also reduced the capacity of ground yield by destroy surface layer of soil.
严重的水土流失不但可以导致生态环境恶化，而且对地表土层的破坏，会使土地的生产能力下降，影响农业生产。
The soil erosion has little effect on TOC in the surface layer.
土壤类型对土壤碳量有影响；
Soil retention capacity of surface layer is the best in the mixed forest, while differences are little in other forests.
混交林表层土壤蓄水功能最好，其他林分各层次差异较小；
Soil retention capacity of surface layer is the best in the mixed forest, while differences are little in other forests.
混交林表层土壤蓄水功能最好，其他林分各层次差异较小；
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