power-unit failure speed 发动机停车起飞决断速度
Unit Failure Rate 单位的失败率
Laser unit failure 激光单元错误
power-unit failure 动力装置故障
failure unit 故障单位 ; 故障率单位
success failure unit 成败型单元
failure model unit 成败型单元
failure excitation unit 故障励磁器
The guide bearing is the key part of a large water pump for its grindability. Its failure rate is very high, and its failure is above 50% of pump unit failure.
导轴承是大型水泵最为关键的易磨易损部件，故障率高，导轴承故障占泵机组故障的50%以上。
The replacement of some equipment's components makes it in partial update state. The equipment's residual life with such characteristic cannot be calculated by using unit failure rate model.
维修中对设备零部件的更换，使其经常处于局部更新状态，按单元的故障率模型无法计算具有这种特点设备的剩余寿命。
Unit tests also give developers courage to refactor the code, because a test failure tells the developer immediately if something's broken.
单元测试还给了开发人员勇气重新划分代码，因为测试失败可以立刻告诉开发人员存在错误。
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