【摘要】 环境信息系统是地理信息系统的一个分支,其作为地理信息系统的一个专题研究领域有其独特性。论述了环境信息系统的概念,探讨了环境信息系统的主要功能、基本构成和未来发展趋势。更多还原

【Abstract】 Environmental Geographic Information System (EGIS) is an important branch of geography information system. It is a specific subject research domain in geographic information system with its peculiar characteristic. The concept of the environment information system is discussed, the main function and the basic structure are analyzed, and probed into the future trend.更多还原