We use Object Oriented developer language Power- Builder of version 8.0 to develop the software for four assess methods, and make an accident tree analysis software as expert analysis methods to aid danger analyzing.

• 利用面向对象开发语言PowerBuilder8.；0，开发四种评价方法软件，编制事故树分析软件作为专家分析方法帮助进行危险性分析。