本标准通过使用不同详细程度的数据，建立了以配合为单位计算故障率的方法，这样几乎可以从任何数据集获得结果。目的是为故障率的计算方法提供参考。

This standard establishes methods for calculating failure rates in units of FITs by using data in varying degrees of detail such that results can be obtained from almost any data set. The objective is to provide a reference to the way failure rates are calculated.