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 本文針對縣級農業生產結構優化調整實例,從眉縣實際情況出發,應用決策支持系統的原理和方法,構造了農業生產結構的宏觀與微觀規劃的數學模型,建立起了縣級決策支持系統。