The change control system is a collection of formal documented procedures that define how project deliverables and documentation are controlled, changed, and approved.

变更控制系统是正式形成文件的过程的全体，用于确定控制、改变和批准项目可交付成果和文件的方式、方法。

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This can include processes such as requirements gathering and documentation, source code control, code review, change management, configuration management, release management, and the actual testing of the software, explains Matt Miller, chief technology officer at CareerBliss.

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