常用的分析方法有失效树分析(FTA)和失效模式影响及致命度分析(FMECA)。
The analysis methods most in use have Fault Tree analysis (FTA) and Failure Model Effect and Criticality analysis (FMECA).
故障树模型是导致系统失效的基本事件之间逻辑关系的图形表示，应用于系统失效模型的定性和定量分析。
Fault tree model is the graphical expression of connection of basic events which result in system fault, and used in qualitative and quantitative analysis of system fault model.
文中对引起水套炉发生失效的各个因素进行系统分析，建立了以水套炉失效为顶事件的失效故障树。
All factors that may make the waterjacket heater failure was analyzed in the paper, and builds a fault tree with failure of water-jacket heater as top event was set up.
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