Grass roots reinforce the soil strength withstanding water flow flush and to effectively reduce soil erosion.
草地根系可以增强土壤抵抗水流冲刷的能力，有效地减少土壤侵蚀。
The results show a definite correlation between the microwave reflection loss and soil strength expressed in term of cone index.
试验结果表明，在单对数坐标中土壤的微波反射损失随其圆锥指数增加而呈线性减少。
The testing and analysis have shown the tunneling construction disturbance makes the soil strength change and tends to be lower in all.
试验和分析结果表明：由于隧道施工扰动的影响，使得土的强度发生了变化，总体上降低了土的强度。
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