surface soil
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n.
（用于农耕的）地面土壤，表土；
英英释义
surface soil
n.the layer of soil on the surface
同义词：topsoil
双语例句
用作名词(n.)
Surface should be treated as a key technology for conservation tillage.
表土耕作应该作为保护性耕作的一项关键技术。
The runoff sediment has higher clay content than the surface soil, andthe splash soil has higher fine sand content.
通过对侵蚀上壤的颗粒组成分析表明，侵蚀对土壤颗粒具有选择性，径流侵蚀泥沙中粘粒含量比侵蚀表土含量高，溅蚀泥沙中细沙粒含量变高。
权威例句
Exploring a V-I-S (vegetation-impervious surface-soil) model for urban ecosystem analysis through remote sensing: comparative anatom...A verification of the ''triangle'' method for obtaining surface soil water content and energy fluxes from remote measurements of the...
Surface soil moisture parameterization of the VIC-2L model: Evaluation and modification
A Method to Make Use of Thermal Infrared Temperature and NDVI measurements to Infer Surface Soil Water Content and Fractional Vegeta...
Estimation of bare surface soil moisture and surface roughness parameter using L-band SAR image data
A methodology for surface soil moisture and vegetation optical depth retrieval using the microwave polarization difference index
III. Measuring surface soil moisture using passive microwave remote sensing
Depth of Surface Soil-runoff Interaction as Affected by Rainfall, Soil Slope, and Management
Drought-Resistance Mechanisms of Seven Warm-Season Turfgrasses under Surface Soil Drying: I. Shoot Response
Monitoring the composition of urban environments based on the vegetation-impervious surface-soil (VIS) model by subpixel analysis te...
1. 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。
《柯林斯英汉双解大词典》
2. 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。
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3. A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight.
当种子落在合适的土壤表面时，一株新的植物就会在那里生长，但由于它们体型不大，它们无法与其他植物竞争空间、水分或阳光。
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4. In some cases, the loose soil is blown completely away, leaving a stony surface.
在某些情况下，松散的土壤全部被风吹走，只剩下石质化的表层。
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5. 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。
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6. 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。
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7. 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。
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8. 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。
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9. 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。
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10. 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。
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11. It was then transported through the tree to the leaves, where concentrations are higher than in the twigs, trunk or surface soil.
被树根吸取的金子被输送到枝干和叶子中，金子在叶子中的密集度比在树枝、树干和表层土壤中都要高。
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12. 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。
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13. Sandstorm will also make the land surface soil erosion, desertification intensifies, covered in thick dust, the foliage plant photosynthesis, affecting the normal caused by crop.
沙尘暴还会使地表层土壤风蚀、沙漠化加剧，覆盖在植物叶面上厚厚的沙尘，影响正常的光合作用，造成作物减产。
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14. Leaf area index and surface soil moisture are two basic factors of controlling evaporation.
叶面积指数和表层土壤含水量是控制蒸发的两个基本因素。
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15. Surface soil samples were collected in the deserts and Gobi regions of China. The carbonate content and carbon and oxygen isotopic composition were analyzed.
在中国的主要沙漠和戈壁等粉尘源区采集了地表沙或土壤（统称为表土）样品，分析了样品的碳酸盐含量和碳酸盐的碳氧同位素组成。
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16. Soil is an important medium in which various organic pollutants can exist, while photodegradation is an effective abiotic transformation means for organic pollutants in surface soil.
土壤是承载有机污染物的重要介质，而光降解是降解土壤表层有机污染物的一种非常重要的非生物转化途径。
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17. The wind erosion hazard is often intensified by the poor vegetation cover and loosen surface soil due to the freezing and thawing over winter.
春季风大风多，降雨量少，气候侵蚀力高，地表植被覆盖率低，土壤表层由于冻融作用变的松散，是一年最易风蚀的季节。
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18. The total surface soil heat flux was -0.
表层土壤年总热通量为-0。
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19. Simulation result also indicates that the rill width is affected both by slope gradient and critical detachment velocity of surface soil on the hill slope.
模拟结果表明，细沟扩宽过程对坡度和坡面表土临界起动流速的变化十分敏感。
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20. If the infiltration intensity is less then the saturated permeability coefficient, the surface soil finally reaches to an unsaturated infiltration stage instead of saturated infiltration stage.
当降雨强度小于土体的饱和渗透系数时，表层土体达不到饱和状态，最终的稳定入渗只能达到一个非饱和入渗状态。
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21. Through the long-term monitoring of deformation of the deep soil and surface soil, a great number of primitive data were obtained.
通过对油罐地基地表土与深层土变形的长期观测，取得了大量的原始数据；
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22. Total nitrogen contents of surface soil in three forest types changed with seasons distinctly, and overall extents were not big.
三个林型表层土壤全氮含量季节变化规律明显不同，总体变化幅度都不大。
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23. The surface soil water content was close with different mineralization degree levels water, which approached saturated water content.
不同矿化度的水入渗后，土壤表层含水率基本相近，接近饱和含水率。
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24. The contents of soil organic carbon, active carbon, slow carbon and resistant carbon is more in the surface soil than subsoil.
表层土壤的总有机碳、活性碳、缓效性碳和惰效性碳含量都明显大于下层。
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25. Formation and conversion of soil dew is close relation with evaporation of surface soil.
而土壤凝结水的形成与转化又与表土蒸发之间存在着十分密切的关系。
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26. Based on detailed investigation and monitoring, the Hg-element content in the surface soil in Taiyuan, Shanxi Province is analyzed and assessed.
文中在调查监测的基础上，对太原市地表土中汞元素的含量进行了初步分析评价。
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27. Normally, the extracting soil areas firstly need to temporally store the surface soil, meanwhile, temporary block measures, temporary drainage projects and temporary cover should be taken.
粘土料场首先进行表土的临时堆存，同时布设临时堆土区临时拦挡、临时排水和临时覆盖等措施。
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28. The results showed that the content of salts of surface soil in import connective plastic greenhouse was 10.
对江汉平原地区大棚土壤的盐分特征进行了研究，结果表明，连栋大棚表层土壤盐分含量达到10。
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29. The results showed that the content of salts of surface soil in import connective plastic greenhouse was 10.
对江汉平原地区大棚土壤的盐分特征进行了研究，结果表明，连栋大棚表层土壤盐分含量达到10。
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surface soil
