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介绍了一个故障注入系统的结构、分布式系统中的故障模型、仿真实例中的故障注入过程及注入了故障的仿真实例运行过程.故障注入系统提供了分布式综合仿真平台进行系统故障情况下任务重新分配、任务冗余及系统重构等方面的研究基础“,”This paper presents the structure of a fault injection system, the fault models of a distributed system, the process of injecting faults into a simulation application and its running process. The fault injection system provides a basis of studying tasks reallocation, task redundancy and system reconfiguration for a simulation platform when a fault occurrence.