By using a method of set pair analysis the systems including risk source in each zone are sorted, and then necessary measures are taken timely in design to support the zonal safety analysis.
利用集对分析方法对民机区域内含危险源的系统进行风险排序，然后有针对性的及时对设计采取必要的措施，以支持区域安全性设计。
Shanghai people's square underground mark is studied as an example, data are collected through questionnaire survey and sorted out, and factor analysis method is then used.
以上海市人民广场地下商场为研究实例，通过问卷调查收集数据，并对所收集到的数据进行整理，然后进行因素分析。
By the use of fuzzy optimization theory and hierarchy analysis process, multiple targets detected by airborne fire control system are sorted according to their threat level.
利用模糊优选理论与层次分析方法，对航空火控系统探测到的多个目标进行了威胁程度的排序。
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