（）is a category assigned to products or services having the same functional use but different technical characteristics. It is not same as quality.
- A、Problem
- B、Grade
- C、Risk
- D、Defect
正确答案:D
答案解析:有
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中级系统集成项目管理工程师
中级系统集成项目管理工程师
（）is a category assigned to products or services having the same functional use but different technical characteristics. It is not same as quality.
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