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简要介绍了基于 Ｉｎｔｅｒｎｅｔ的 ＧＩＳ发展现状，分析了 Ｗｅｂ ＧＩＳ的主要优势和开发基于 Ｗｅｂ ＧＩＳ防震减灾信息系统的必要性，提出了目前在防震减灾工作中Ｗｅｂ ＧＩＳ应用的主要研究内容，还初步设计了该信息系统的框架及其主页的基本功能模块，并介绍了各模块的主要功能和研制方法．
This paper briefly introduces the status quo of GIS development based on Internet, analyzes the main advantages of Web GIS and the necessity of developing information system of earthquake and disaster reduction based on Web GIS, puts forward the main contents of Web GIS application in earthquake prevention and disaster reduction work, The information system framework and its home page of the basic functional modules, and introduced the main functions of each module and development methods.