求翻译：要预防铁路行车安全事故的发生就是要对安全进行风险的管理，铁路行车安全风险管理就是对铁路行车过程中存在的风险进行识别、估计、评价，从而控制和处理这些风险，防止和减少损失，保障铁路安全、顺利的运行是什么意思？

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Must prevent the railroad traffic safety accident the occurrence is must to carry on the risk the management, the railroad traffic safety risk management is safely the risk which exists to the railroad driving process in carries on the recognition, the estimate, the appraisal, thus controls and proc

To prevent the railway operation safety accidents from happening is to risk management for security, railway traffic safety risk management is on the railway traffic in the process of risk identification, estimation, assessment, controlling and handling these risks, to prevent and minimize damage an