soil cover的例句大全

The statistical results of geometrical and physical parameters for both backfill soil and structural material of cut and cover tunnels are given, while centrifugal model test is employed to figure out uncertainties in calculation formulae of backfill soil pressure.

给出铁路明洞填土几何形状、填土材料性质及衬砌材料性质的统计结果，利用填土压力的离心模型试验，找出了明洞填土压力计算模式的不确定性。

Effects of snow cover on thermal regime of frozen soil

积雪对冻土热状况的影响

The results show that the solar and thermal infrared transmittance of the cover and the proportion of soil surface occupied by vegeta(?) appear as the most influential parameters.

结果表明，影响最大的参数为温室覆盖材料对太阳辐射和热辐射的透射率以及作物占温室土壤表面积的比例。

The Na+ and Mg2+ contents of soil water changed differently under different land cover.

不同土地覆被下土壤水Na+和Mg2+变化规律不同。

Influence of continuous cropping in plastic shed cover on the yield and quality of Chinese chives and soil nutrients

大棚韭菜连作对产量和品质及土壤养分状况的影响

As the zero-balanced surface of rainfall, the snowline can be defined as the lower limit of the perennially snow-covered area, and it is a geographic element as important as the tree line, the periglacial line and the soil line.

雪线是降水的零平衡面，作为终年积雪区的下界，是与林线、冰缘线和土壤线等界线同等重要的自然地理区划线。

If a test finds that soil has too much lead, you might be advised to remove the soil or cover it with sod grass.

如果检测结果表明土壤中铅含量过高，建议你把这些土移走或种上草皮加心覆盖。

Study on Stability of Veneer Cover Soil of Variational Thickness on the Slope of Expansive Soil Subgrade

膨胀土路基边坡变厚式封面层稳定性实验研究

Use of veneer cover soil on the slope of expansive soil subgrade is a method to prevent early failure of expansive soil subgrade.

膨胀土路堤边坡封面是一种保证其正常使用的工程措施。

According to the actual sliding surface from laboratory study, this paper develops a new formula for calculating the stability factor of veneer cover soil of variational thickness on the side slope of expansive soil subgrade. And some conclusions are also presented

按实验所得滑动面位置，推导出计算膨胀土路基边坡等厚式封面土层稳定性系数的公式，并得出一些结论

The remote sensing monitoring analyzes the relationship between soil erosion and the three factors of vegetation cover, land use, slope steepness.

本次遥感监测，分析了土地利用、植被覆盖和坡度三因子与土壤侵蚀之间的关系，并获得了该区域土壤侵蚀的动态变化情况。

With the Factor analysis, the results showed that the factors affected the habitat choice of plateau pika were habitat position, soil character, water distance, shrub cover ratio and height of Broad leaf vegetation.

统计结果显示：影响高原鼠兔生境选择的主要因子依次是生境位置、土壤质地、离水源的距离、灌丛植物盖度和阔叶植物高度。

Simulated rainfall and text box are used to quantify impacts of straw cover amount and stubble height on volume and processes of Runoff-sediment-yield. Probe into the effect and mechanism of conservation tillage reduce soil and water loss. The main results are as follows: 1.

本论文利用模拟降雨方法和土槽径流小区系统，定量分析秸秆覆盖和留茬高度对产流产沙量和产流产沙过程特征的影响，探讨了保护性耕作减少水土流失的作用与机理。

Laying stress on harnessing soil erosion, to find several best stereoscopic models of the ecological green cover slope farmland by research: economic bamboo grove belt in shore of the reservoir area;

以治理水土流失为重点，通过试验寻找出几种最佳的立体生态绿色覆盖坡耕地的模式，即：库区江岸边栽种经济竹林带；

Effect of natural grasses cover on soil properties and yield and quality of peach

果园自然生草覆盖对土壤理化性状及大桃产量和品质的影响

Use a rake to cover the soil with an even layer.

使用耙子将腐叶肥均匀地覆盖在土壤表层。

A Research of Ground Cover on Salinity and Water in the Salinized Soil

地面覆盖对盐渍土盐分和水分影响的研究

Sprinkle the seeds thinly in rows and cover lightly with soil.

稀疏地撒下一排排种子，轻轻盖上土。

To protect your plants from late frosts in spring, build a frame to cover the drills. Push the sides of the fabric into the soil, or fix it in place with canes.

为了保护植株免于春季的霜冻，在土壤上方建造一个框架，把织物的边缘埋在土壤中，或者用竹藤固定。

A mathematical Model on Soil Water Evaporation under Litter Cover

枯枝落叶覆盖下的土壤蒸发的数学模型