通过对设施农业雨水资源化潜力的分析计算，探讨了设施农业雨水资源高效利用的自压灌溉系统设计方法。
Through analyzing and calculating the potential for making use of rainwater, the method of designing the gravity irrigation system is presented.
雨水资源化潜力是雨水利用规划的基础，也是半干旱地区水资源开发和生态建设的基础，研究其计算方法十分必要。
Regional rainwater resources potential is crucial to rainwater utilization planning, water resources exploitation and ecological environment improvement in semi-arid area.
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