Abstract: With the help of a data base collected and set up by a building administrative sector, the paper makes a rather accurate guess of the cost unknown to a civil engineering item, by applying a fuzzy modular guessing system.

• 文摘:借助建设主管部门的资料形成数据库，应用模糊模式识别的方法对未知的工程造价比较准确地推测。