The design of current environment information system (EIS) was often the formalization of knowledge utilizing of software technique, which ignored logical thinking by which the user solved problems.

• 摘要现有环境信息系统的设计特点主要是从技术角度出发，以知识的形式化为主要目的，而忽视了用户在解决问题时的逻辑思维研究。