为了有效地预防系统的灾害事故,必须采取与系统安全要求相适应的方法和手段。经验表明,从建设项国的各个设计阶段上严格把关,事先对安全问题作出全面的鉴定和科学的评估,并逐一研究解决,作到防患于未然,是实现系统安全的重要环节。建立系统安全审核程序并使之规范化、制度化,已 In order to effectively prevent the system from disaster, it is necessary to adopt the methods and means that are appropriate to the system security requirements. Experience has shown that it is an important part of system security to strictly check the various stages of the design phase of construction projects and make a comprehensive assessment and scientific assessment of the security problems beforehand and study and solve them one by one so that preventive measures can be taken in the first place. Establish a system security audit process and make it standardized, institutionalized and already