fault growth index

例句：

1. 1. The company's fault growthindex has been increasing steadily over the pastyear.
   该公司的故障增长指数在过去一年内稳步上升。
2. 2. The engineer analyzed the fault growthindex to determine the cause of the systemfailure.
   工程师分析了故障增长指数，以确定系统故障的原因。
3. 3. The research team usedthe fault growth index to predict future maintenanceneeds for the equipment.
   研究团队使用故障增长指数来预测未来对设备的维护需求。