Major Project Documents 项目主要文件 There are three major documents described within the Guide and each has a specific purpose: 指南介绍了三个主要的项目文件，每一个都有具体的用途： Project Charter.Formally authorizes the project. 项目章程。正式核准项目。 Project Scope Statement.States what work is to be accomplished and what deliverables need to be produced. 项目范围说明书。说明应完成何种工作，需要提交哪些可交付成果。 Project Management Plan.States howthe work will be performed. 项目管理计划。说明如何实际完成这些工作。 Figure III-2 depicts these three documents and their relationship to their components. 图III-2表示出这三个文件及其同组成部分之间的关系。 The project management plan is composed of the plans and documents generated by the various processes.Those items are the subsidiary plans and components of the project management plan. 项目管理计划由各个不同过程完成的计划书与文件组成。这些成果属于项目管理计划的分计划和组成部分。