在过去我国信息化发展史上，曾经有过许多成功的案例，我国具有实施大型信息系统的能力，这点应予以肯定。但同时也要实事求是地承认，过去有些信息系统建设处于“散、大、空”的状况。可谓“散”，就是各自为政，重复建设，信息不能共享；可谓“大”，就是在系统设计中，业务 In the past, in the history of the development of informatization in our country, there have been many successful cases. Our country has the capability of implementing large-scale information systems. This point should be affirmed. At the same time, we must also admit factually and truthfully that in the past some information systems were under “scattered, big and empty” conditions. Can be described as “casual” is their own way, duplication of construction, information can not be shared; can be described as “big” is in the system design, business