Through a deep analysis on all kinds of developing technology about dss , combining the developing process of the county - level agricultural industry structure optimization dss , the author described how to construct the mathematical model of macroscopic and microscopic programming for agriculture industry structure by applying the theory and methods of dss 本文针对县级农业生产结构优化调整实例,从眉县实际情况出发,应用决策支持系统的原理和方法,构造了农业生产结构的宏观与微观规划的数学模型,建立起了县级决策支持系统。