项目是为创造独特的产品、服务或成果而进行的临时性工作。大量的成功案例证明,管理学分支学科的项目管理作为一门专业已经得到认可,这表明知识、过程、技能、工具和技术的应用对于项目的成功有显著影响。项目管理的有效实施,可以使管理者在资源限定条件下,实现或超过相关方对项目的要求和期望。项目管理是第二次世界大战后期发展起来的重大新管理技术之一,最早起源于美国,开始于曼哈顿计划。20世 Projects are temporary jobs designed to create unique products, services or results. Numerous success stories demonstrate that project management in the discipline of management has been recognized as a profession, suggesting that the application of knowledge, processes, skills, tools and technology has had a significant impact on project success. The effective implementation of project management can enable managers to meet or exceed the requirements and expectations of the project under the limited resources. Project management was one of the major new management techniques developed in the latter part of World War II. It originated in the United States and started from the Manhattan Project. 20th Century