1.
This topsoil tends to wash away.
表层土壤要冲掉了。
2.
Study on Forecast Model of Lower Layers by the Soil Moisture of Surface Layer;
表层土壤水分预测下层土壤水分的模型研究
3.
rainwater washes topsoil into rivers and sands,
雨水把表层土壤冲进河流和沙地，
4.
The Structure Status and Effect of Topsoil in Loess Plateau;
黄土地区表层土壤结构状况与效应研究
5.
Ground vegetation as indicators of topsoil chemical properties in Dongguan,South China
东莞地表植被对表层土壤化学特性的指示作用
6.
Further confusing the issue were high surface soil tests for K.
表层土壤钾测试值高又进一步混淆了问题。
7.
In Australia, a shallow soil is scraped into ridges on which trees are planted.
在澳大利亚把表层土壤作垄，果树栽在垄上。
8.
Magnetic Properties of Top Soils in Beijing, and Their Environmental Implications;
北京地区表层土壤剖面磁学特征及其环境意义
9.
Soil Quality and Its Assessment in Green Areas of Chongwen District of Beijing
北京市崇文区绿地表层土壤质量研究与评价
10.
Study on the Composition of Saturated Hydrocarbons in Surface Oil in Dongying
东营区表层土壤中饱和烃污染物的组成研究
11.
Photochemical Degradation of Selected Polycyclic Aromatic Hydrocarbons on Soil Surface
表层土壤中部分多环芳烃的光化学降解研究
12.
Present Situation and Evaluation of Heavy-metal Pollution in the Surface Layer Soil of Jilin City
吉林市城市表层土壤中重金属污染状况研究
13.
Survey and Evaluation of Hg,Cd,Pb,As of Topsoil in Qixian County Plain Area
山西祁县平原区表层土壤Hg、Cd、Pb、As的调查与评价
14.
The upper part of the soil.
表土土地、土壤表面的一层
15.
Study on the CaCO_3 Content Characteristics in Conterminous Region of Beijing,Tianjin and Hebei
京津冀接壤区土壤表土层中碳酸钙的分布规律
16.
The results showed that the REEs contents in the C horizon the soils were the highest,but Ce was relatively concentrated in A horizon.
结果表明 ,土壤剖面层的底土层含量最高 ,但表土层铈相对富集 .
17.
immediately below the A-horizon; contains deposits of organic matter leached from surface soils.
土壤中的第二层即表层之下的土层；由通过土壤表层过滤得到的有机物组成。
18.
To remove the surface layer of soil from(land.
去掉表土将土壤最上面的一层从（土地上）清除掉