目的了解学校校医或相关人员对学校安全风险与评估重要性认知情况，探讨学校安全风险管理的内容、途径和方法。
Objective to know the school physician's cognition of risk and risk evaluation of school safety, and to explore the content, approach and method to school safety management.
在化工能源安全风险管理、化工安全风险评估与控制、化工安全标准的制定及方法学研究等方面形成了自己的特色。
The characteristics of this research field are typical in studying the chemical resource safety risk management, chemical safety risk assessment and control, chemical safety standards.
因此，本文在研究风险管理与风险评估的基础上，提出了一种基于成本的安全措施选择方法，此方法同时也是一种最优化信息保障的方式。
So based on the research of risk management, this paper give an approach of security measures selection based on costs which also can optimization IA model.
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