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。
Once it reaches the surface of the soil, the "slug" undergoes another transformation.
一旦接触土壤表面，这条“鼻涕虫”就会发生另一种变形。
Wetlands are areas of marshy, swampy land, areas where water covers the soil, or is present either at or near the surface of the soil for a large part of the year.
湿地是指多沼泽的区域，软而湿的陆地，一年中的大部分时间有水覆盖着土壤、或是有水存在于土壤表面或接近土壤表面的地方。
As the water evaporates, a crust of salt is left on the surface of the soil.
水蒸发后，土壤表面留下一层盐。
In this method of farming seeds and fertilizer are put into the soil through small cuts made in the surface of the ground.
在这种耕作方法中，种子和肥料是通过地面上的小切口进入土壤的。
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中，使这些空隙变得封闭，从而形成了一种几乎不允许任何水分渗透下来的表层土壤。
The gradual drying of the soil caused by its diminished ability to absorb water results in the further loss of vegetation, so that a cycle of progressive surface deterioration is established.
土壤吸收水分的能力减弱使土壤逐渐变得干燥，导致植被进一步减少，从而建立了一个渐进的地表退化循环。
Color differences are most likely due to regional changes in surface composition or the sizes and structures of the grains in the moon's icy soil.
颜色的差异很可能是因为卫星表面冻土的成分或者粒度与结构的区域性变化。
Their suspicions about water ice beneath the surface of Mars confirmed, scientists and the world will have renewed interest in the outcome of the soil analyses currently being conducted by the lander.
关于火星表面以下存在水冰的怀疑终于被证实了，根据正在进行的火星车的土壤分析，科学家和整个世界将获得进一步的信息。
Instruments aboard the spacecraft suggest that a cubic metre of soil on the lunar surface could hold around a litre of water.
航天器上的仪器显示，月球表面每立方米的土壤含水量可达约一公升。
The average amount of water reported, if we were to extract it, is about a quart of water per ton (of surface soil).
如果要提取水，每吨(表层土壤)含水量大约为一夸脱。
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。
Can not only test the soil surface moisture, can also test of deep soil moisture, can meet the needs of the industry of scientific research, production, teaching and other related work demand.
不仅能够测试土壤表层水分，还能够测试深层土壤水分，能够满足上述行业的科研、生产、教学等相关工作需求。
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。
They have also learned how to better preserved the precious surface water by using the thin film to cover the soil so that the evaporation of the moisture from the ground can be minimized.
他们也学会了用薄膜盖住土地，这样可以最大程度地防止水分的蒸发，以达到保持住弥足珍贵的地表水的目的。
Meanwhile, down on the surface, robots Spirit and Opportunity continue to roll, inspecting landscape, rocks, and soil for clues to the ancient watery past of the red planet.
同时位在表面的无人探测车精神号和机会号，继续检视火星的地貌、岩石和土壤，寻找火星古水世界存在的线索。
Frequent shallow watering can force roots to come up to the soil surface in search of a drink, encouraging a plant to develop a weak structure.
频繁的浅度浇水会让根泥土表面伸展以寻找水，纵容了植物产生不良好的结构。
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 parameters of soil exerted great influence on surface deformation.
土质参数对地面变形影响较大。
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。
The results show that the identifying sign of soil erosion is not erosive surface but the degree of soils conservation and the change of soils thickness.
结果表明，塬区土壤侵蚀的确定依据不是侵蚀面，而是土层保存程度和土层厚度的变化。
The disappearance of metal pollution in the soil will come as the surface of the planet moves underground, unless the earth itself instigates extremely strong crustal movement.
土壤重金属污染的消失，除非地球进行强烈的地壳运动，把表层沉地地底。
Reduction of contact area between cohesive soil and the surface of dredging tools is able to decrease soil adhesion and cutting resistance.
降低粘性土壤对刀齿表面接触面积可以减小土壤对刀齿的粘附和降低刀齿切削土壤的阻力。
Lunar exploration of China will acquire data of the lunar surface, including landform, physiognomy, strata, soil of the moon, resources, environment and the related structures and components.
在中国未来的月球探测计划中，可能获取的月球表层数据包括地形、地貌、岩层、土壤、资源、环境以及各种相关的结构、物质成分数据。
This paper introduced a concept of soil surface resistance to explain the process of soil water evaporation and put forward a method for determination of soil surface resistance in lab.
引入土壤表面阻力概念来说明土壤水分蒸发过程，提出了实验室测定其大小的整套试验方法。
This paper introduced a concept of soil surface resistance to explain the process of soil water evaporation and put forward a method for determination of soil surface resistance in lab.
引入土壤表面阻力概念来说明土壤水分蒸发过程，提出了实验室测定其大小的整套试验方法。
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