When the system has the common cause failures, units of system is not statistical independence, where is the difficulty of system reliability analysis.
系统存在共因故障时，由于单元之问的统计相关，增加了系统可靠性分析的困难。
A quantitative analysis method was developed to analyze system reliability with common cause failures by the GO methodology for probability risk assessment.
研究在风险评价中应用GO法进行含有共因失效的系统可靠性定量分析方法。
The results show that the common cause failure greatly affects system reliability and that the go algorithm can effectively analyze systems with common cause failures.
结果表明：共因失效对系统可靠性有很大影响，而GO法算法是进行系统共因失效分析的有效而实用的方法。
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