美国政府的联邦体系架构（FEA）的说明。美国政府规定所有联邦部门（federal级别)必须利用该架构描述与设计其电子政务系统。其中体现了从需求分析一直到系统技术实现的整体建模思想，提出了业务线、业务矩阵等电子政务系统分析和设计方法-the United States government of the Federal Architecture (FEA) of the note. The United States government requires all federal agencies (federal level) must be described using the structure and design of its e-government system. Reflecting the demand analysis system technology has been to achieve the overall modeling, a business line, operational matrix of e-government systems analysis and design methods