问几个NPR的测量指数问题

问几个英语单词official fix 是什么意思

还有在排除里面
1)a problem report determined to represent an information request(IR)which need not be documented by the customer to the organization

3)a problem report related to use of the product in manner not defined in the specification of the product by agreement between the organization and customer

4)customer reports of routine events such as
-return of field replaceable unit and associated documentation such as returned material authorization.


以上是什么意思，请赐教。谢谢