张:老王,上次您讲了编写安全检查表的方法。这一回请您再深入谈谈安全系统分析方法。 王:安全系统工程现在已经发展了很多系统分析方法。按照深浅次序有预备事故分析(PHA),故障类型和影响分析(FMEA),事件树分析(ETA),事故树分析(FTA);按照数理方法有定性和定量分析;按照逻辑划 Zhang: Pharaoh, the last time you talked about how to write a security checklist. This time, please go deep into the safety system analysis method. Wang: Security Systems Engineering A lot of systems analysis methods have now been developed. There are PHA, FMEA, ETA, and FTA in accordance with the shading sequence; qualitative and quantitative analysis according to mathematical methods;