在软件开发过程中，缺陷拥有自身的生命周期。

In software development process, the bug has a life cycle.

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精确软件开发过程为软件的整个生命周期进行了明确的阶段划分。

The Precise Development process of program carves up the process of program clearly.

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软件开发生命周期(SDLC)，软件过程，软件质量保证的基本知识。

Basic knowledge of SDLC, Software Process, Software Quality Assurance.

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软件开发生命周期(SDLC)，软件过程，软件质量保证的基本知识。

Basic knowledge of SDLC, Software Process, Software Quality Assurance.

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