In conventional FTA, fault trees are always generated by manual work.

在传统的故障树方法中，故障树的生成通常靠人工完成。

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Analysing the failure modes of each component, constructs the fault trees of both CACS and refrigeration system.

在空调系统各组成单元故障模式分析的基础上，分别建立了集中空调系统和制冷系统的故障树。

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Faults are analyzed by means of an improved fault tree analysis, and several fault trees are built for every kind of faults, then make down-way quantity analysis with the minimal cut set theory.

采用一种改进的故障树分析方法对所得到的故障进行分析，根据每类故障分别建造了多棵故障树，并以最小割集理论按下行法对各树进行了定量分析。

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