At present, it is a mainstream of engineering risk analysis to quantify and semi-quantify risk analysis.

目前，量化、半量化风险分析是工程风险分析的主流。

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In the computation of LoF (Likelihood of Failure) for engineering risk analysis the importance analysis of fault tree is an important technology.

在工程风险评价的失效可能性计算中，故障树重要度分析是一项重要技术，它经常遇到许多不确定、不完整的因素。

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No matter which method you adopt, the index a nd standard of the risk estimate will be all important issues quantifying and se mi-quantifying engineering risk analysis.

在对工程进行量化和半量化风险分析时，无论采用什么方法，风险评价指标和评价标准都是关键的重要问题。

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Peter Bradford, a member of the U.S. Nuclear Regulatory Commission at the time of the Three Mile Island accident in Pennsylvania in 1979, said the accident exposes shortcomings in risk analysis as well as engineering.

WSJ: Nuclear Industry Likely to Reassess Safety Systems