The coiled tubing fault tree is constructed based on field investigation and relevant literature by use of the fault tree analysis theory.
结合现场调研和有关文献资料，根据故障树分析理论，用演绎法建立了连续油管的故障树。
Thirdly, with theory of fault tree analysis, faults of marine refrigerated container are studied, and methods of finding out faults' reasons are supplied.
第三，利用故障树分析理论对船舶冷藏集装箱故障进行分析研究，提供查找故障原因的方法。
The basic trait and step of the FTA and the fuzzy fault tree analysis are introduced, especially the basic theory of the qualitative analysis and the quantitative analysis.
介绍了故障树分析法和模糊故障树分析法的基本特点和步骤，重点介绍了故障树的定性分析和定量分析的基本原理。
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。
The theory of fuzzy set is applied to discuss the fuzzy fault tree analysis and its application based on triangular fuzzy number arithmetic operations.
应用模糊集合理论，讨论了基于三角模糊数算术运算的事故树分析方法。
Furthermore, fault events are modeled and made into analysis based on the risk analysis theory of fault tree. After that equipment failure characters are confirmed and key factors are exacted.
随后以故障树风险分析理论为基础，对故障事件进行建模和定性定量分析，确定表征设备故障特征的信息，提取关键因素。
Based on fault tree analysis (FTA) theory, an object-oriented knowledge representation method in a fault diagnosis expert system for machine tools was studied.
针对所研究的机床故障诊断专家系统，以故障树分析法为基础，采用面向对象的事件知识表示方法。
Based on fault tree analysis (FTA) theory, an object-oriented knowledge representation method in a fault diagnosis expert system for machine tools was studied.
针对所研究的机床故障诊断专家系统，以故障树分析法为基础，采用面向对象的事件知识表示方法。
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