用系统的观点和方法对国家信息化进行了研究,指出国家信息化是一个开放的复杂巨系统。从宏观层次看,国家信息化由电子政务子系统、电子商务子系统和电子事务子系统三大子系统组成,对电子事务的概念进行了界定。 With the viewpoint and method of the system, the state informatization has been studied, pointing out that the national informatization is an open and complex giant system. At the macro level, the state informatization is composed of three sub-systems of e-government subsystem, e-commerce subsystem and electronic affairs subsystem, and defines the concept of electronic affairs.