工作时间  operating time
不工作时间  non-operating time
需求时间  required time
无需求时间  non-required time
待命时间  standby time
闲置时间  idle time; free time
不能工作时间  disabled time
不可用时间  down time
累积不可用时间  accumulated down time
外因不能工作时间  external disabled time; external loss time
可用时间  up time
首次失效前时间  time to first failure
失效前时间  time to failure
失效间隔时间  time between failures
失效间工作时间  operating time between failures
恢复前时间  time to restoration; time to recovery
使用寿命  useful life
早期失效期  early failure period
恒定失效密度期  constant failure intensity period
恒定失效率期  constant failure rate period
耗损失效期  wear-out failure period
瞬时可用度  instantaneous availability
瞬时不可用度  instantaneous unavailability
平均可用度  mean availability
平均不可用度  mean unavailability
渐近可用度  asymptotic availability
稳态可用度  steady-state availability
渐近不可用度  asymptotic unavailability
稳态不可用度  steady-state unavailability
渐近平均可用度  asymptotic mean availability
渐近平均不可用度  asymptotic mean unavailability
平均可用时间  mean up time
平均累积不可用时间  mean accumulated down time
可靠度  reliability
瞬时失效率  instantaneous failure rate
平均失效率  mean failure rate
瞬时失效密度  instantaneous failure intensity
平均失效密度  mean failure intensity
平均首次失效前时间  MTTFF; mean time to first failure
平均失效前时间  MTTF; mean time to failure
平均失效间隔时间  MTBF; mean time between failures
平均失效间工作时间  MOTBF; mean operating time between failure
失效率加速系数  failure rate acceleration factor
失效密度加速系数  failure intensity acceleration factor
维修度  maintainability
瞬时修复率  instantaneous repair rate
平均修复率  mean repair rate
平均维修人时  mean maintenance man-hour
平均不可用时间  MDT; mean down time
平均修理时间  MRT; mean repair time
P-分位修理时间  P-fractile repair time
平均实际修复性维修时间  mean active corrective maintenance time
平均恢复前时间  MTTR; mean time to restoration
故障识别比  fault coverage
修复比  repair coverage
平均管理延迟  MAD; mean administrative delay
P-分位管理延迟  P-fractile administrative delay
平均后勤延迟  MLD; mean logistic delay
P-分位后勤延迟  P-fractile logistic delay
验证试验  compliance test
测定试验  determination test
实验室试验  laboratory test
现场试验  field test
耐久性试验  endurance test
加速试验  accelerated test
步进应力试验  step stress test
筛选试验  screening test
时间加速系数  time acceleration factor
维修性检验  maintainability verification
维修性验证  maintainability demonstration
观测数据  observed data
试验数据  test data
现场数据  field data
基准数据  reference data
冗余  redundancy
工作冗余  active redundancy
备用冗余  standby redundancy
失效安全  fail safe
故障裕度  fault tolerance
故障掩盖  fault masking
预计  prediction
可靠性模型  reliability model
可靠性预计  reliability prediction
可靠性分配  reliability allocation; reliability apportionment
故障模式与影响分析  FMEA; fault modes and effects analysis
故障模式影响与危害度分析  FMECA; fault modes, effects and criticality analysis
故障树分析  FTA; fault tree analysis
应力分析  stress analysis
可靠性框图  reliability block diagram
故障树  fault tree
状态转移图  state-transition diagram
应力模型  stress model
故障分析  fault analysis
失效分析  failure analysis
维修性模型  maintainability model
维修性预计  maintainability prediction
维修树  maintenance tree
维修性分配  maintainability allocation; maintainability apportionment
老练  burn in
可靠性增长  reliability growth
可靠性改进  reliability improvement
可靠性和维修性管理  reliability and maintainability management
可靠性和维修性保证  reliability and maintainability assurance
可靠性和维修性控制  reliability and maintainability control
可靠性和维修性大纲  reliability and maintainability programme
可靠性和维修性计划  reliability and maintainability plan
可靠性和维修性审计  reliability and maintainability audit
可靠性和维修性监察  reliability and maintainability surveillance
设计评审  design review
真实的  true
预计的  predicted
外推的  extrapolated
估计的  estimated
固有的  intrinsic; inherent
使用的  operational
平均的  mean
P-分位  P-fractile
瞬时的  instantaneous
稳态的  steady state