Accelerated failure time model的用法和样例：
- You've been a part time model, haven't you?
- Failure time of the surgery, reasons of the failure bleb and pathological changes of failure bleb were evaluated.
- A screening test in which devices are operated at high temperature for an extended period of time to accelerate failure mechanisms.
- In hypothesis condition,the firing time model of ship to air missile firing at group target is established.