该文档为华为内部项目管理资料，具体内容包括：项目管理的要素；项目管理常用工具和方法；一些宝贵的项目管理经验；如何提高工作效率和效果-Huawei within the document for the project management information, including: project management elements　project management tools and methods used　a number of valuable experience in project management　how to improve the efficiency and effectiveness