failuremode破坏模式failuren.失败；失败者；不及格；疏忽；失灵；未能；悲惨的事failure to take delivery[经] 未提货failure diagnosis method判断故障方法Failure Mode and Effects故障类型及影响Failure Frequency Report故障频率报告failure density function故障密度函数,破裂密度函数failure of guide service导游服务失败failure sample selection故障样本选取failure detector circuit故障检测电路failure diagnosis system故障诊断系统failure of sterilization绝育失效