Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
The relationship of sediment content and antecedent soil moisture showed the parabolic trend. In desert grassland, the soil moisture is 17.5% in the early time of surface soil loss.
径流含沙量与土壤前期水分之间的关系呈近似一元二次方程抛物线变化，荒漠草原坡面土壤流失最少的前期最优土壤含水量值为17.5%。
In the research of dust storm, the gale and soil moisture content of land surface are the two important factors which affect the occurrence of dust storm, and they are recorded by quantitative form.
在沙尘暴研究中，大风和下垫面的土壤湿度是影响沙尘暴发生的两个重要因子，它们分别以数值形式定量记录，但这种定量因子与沙尘暴发生的定性特征之间难以建立联系，从而影响了沙尘暴的定量研究。
In the research of dust storm, the gale and soil moisture content of land surface are the two important factors which affect the occurrence of dust storm, and they are recorded by quantitative form.
在沙尘暴研究中，大风和下垫面的土壤湿度是影响沙尘暴发生的两个重要因子，它们分别以数值形式定量记录，但这种定量因子与沙尘暴发生的定性特征之间难以建立联系，从而影响了沙尘暴的定量研究。
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