产品检查和试验是事后控制，因为是在产品生产完成后，但却是在产品发行脱离组织控制之前进行的。
Product inspection and test is control after the event because it occurs after the product is produced but before the product is released out of the organization's control.
航空发动机试车计算机辅助试验系统中开发三分钟事件记录与回放功能可以为事后的分析提供数据依据。
The function named 3-minitue events recording and replaying in computer-aided test system for aeroengine test is able to offer data for analysis afterwards.
一个试验可能写出20页或更多的论文，但绝大多数是事后分析，这并不包括在我们的研究范围内。
A trial might have 20 or more papers about it but most of them are post-hoc analyses, which are not included for what we do.
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