本文以如何使用基于树的建模技术标识软件中有问题的区域和进行危险管理为例，着重阐述了基于树的分析技术在软件测试中的应用。
This paper presents how the tr ee based technology is used in software testing through identification of problematic areas and risk management using tree based modeling.
采用事件树分析法进行风险分析并建立了数学模型，包括火灾模型、有效释放率模型、热强度极限值、危险区域等式四部分。
Accident tree analysis is applied to risk analysis and a mathematical model is established, including fire model, effective release rate model, heat intensity threshold and hazard area equation.
针对油田开发污染源存在危险度，提出一种将灰关联度分析与故障树分析相结合的危险度评价模型。
This paper puts forward a model for the appraisal of hazard degree of pollution origins in oilfield development which combines fault tree analysis and gray connection degree analysis.
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