Soil moisture curve is elementary curve that shows the relation between potential energy and the content of water soil and analyses retaining and transporting in soil water belt.
土壤水分特征曲线是表征土壤中水的含量与势能之间的关系，是研究包气带土壤水分的保持和运移所用到的基本特性曲线。
The model is able to adjust the surface water, the water in the soil moisture belt and the aquifer cooperatively.
模型有调蓄地面水源、土壤贮水层、地下含水层的能力。
The density of the Pinus tree-belt at the dune site should be paid special attention to because soil water holding capacity was poorer at this substrate;
由于沙丘土壤的保水性差，即使在夏秋雨季也不能有效保持水分，因此，沙丘油松林带应注意密度控制。
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