从工程项目管理的整体目标出发,以成本为圆心、效益为半径画圆,形成了以体现施工企业最为关注的成本、效益目标为中心的项目管理多目标集合的圆,就是“企业目标圆”。“社会目标圆”的管理从工程项目管理的整体目标出发,以安全为圆心,环保为半径画圆,形成了以体现以政府为代表的社会各方最为关注的安全、环保目标为中心的项目管理多目标集合的圆,这就是 Starting from the overall goal of project management, taking the cost as the center and the benefit as the radius, a round of multi-objective project management focusing on the cost and benefit targets that most concern the construction enterprises is formed. The circle of “enterprise target circle ”. The management of “social target circle” proceeded from the overall goal of project management, taking safety as the center and environmental protection as the radius, forming the center of the safety and environmental protection which is most concerned by all social parties represented by the government The project management multi-objective collection of circles, that’s it