Software defects management is built on the base of classification of software defects.

软件缺陷分类是研究软件缺陷管理的基础。

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Change management affects all parts of software development, but the tracked changes most relevant to the testing effort are defects.

变更管理影响软件开发的全部过程，但是被跟踪的与测试工作最相关的变更是缺陷。

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