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本文提出了喷灌系统优化设计的混合模型及其求解方法．对于该模型中管网优化块角结构线性规划子模型提出了新的算法，该方法在求解此类问题时比单纯形法快得多，这就为大中型喷灌系统的优化设计提供了可能．
This paper presents a hybrid model of sprinkler irrigation system optimization design and its solution method. A new algorithm is proposed for linear programming sub-model of pipe network optimization block corner structure in this model. This method is much faster than simplex method in solving such problems, which makes it possible to optimize the design of large and medium-sized sprinkler irrigation system.