Due to the rapid development of computer and internet / intranet technology , this article combines the technology of dss and internet , exerts the system engineering theory and software engineering theory to design the system . by adopting the method of combination of qualitative analysis and fixing quantify study , the dissertation build models for analyzing the key factor , judging the seedtime of agricultural mechanization and classifying area according to the level of agricultural mechanization , discuss the imbalance of development seedtime and area of agricultural mechanization 在当前计算机技术和internet intranet技术迅速发展的趋势下,本文将决策支持系统技术与网络技术相结合,运用系统工程、软件工程等理论对系统进行了设计,采用定性分析与定量研究相结合的方法,建立了灰色关联分析模型、农机化发展阶段模糊综合评判模型和水平区域分类模型,讨论了农业机械化发展过程中呈现的发展阶段和区域不平衡性。