The relations among the fuzzy qualified event, the fuzzy unqualified event, the mendable fuzzy unqualified event and the non-mendable fuzzy unqualified event of the parts are analyzed.

• 然后根据模糊概率理论,提出了零件模糊合格概率、零件模糊不合格概率、零件可修复模糊不合格概率和零件不可修复模糊不合格概率的计算公式。