First we discuss four kinds of the basic architectures of traditional decision support systems based on the two base structure model-net work,bridge,sandwich and tower,and then analyze and compare their strength and weakness.

• 对基于“两库模型”的传统dss四种基本体系结构（网络结构、桥接结构、分层结构和塔式结构）展开讨论，分析、比较了它们的优缺点。