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Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.

第二条本法所称水土保持，是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。

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Based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis.

从土壤水分下渗能力曲线出发，从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。

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