By dividing the EGA in this way, it describes the structure clearly and the logic relationship between each layers, intuitionistically illustrating the substance of the EGA and simplifying the complicated issues.

• 用这种层次框架结构清晰地描述了电子政务结构并描述了各层和各类之间的逻辑关系，非常直观形象地表述了电子政务的内含，使非常复杂的问题一目了然。