A project life cycle is a collection of generally sequential project ______ whose name and number are determined by the control needs of the organization or organizations involved in the project. The life cycle provides the basic ______ for managing the project, regardless of the specific work involved. 在编制项目管理计划时，项目经理应遵循编制原则和要求，使项目计划符合项目实际管理的需要。以下关于项目管理计划的叙述中，______是不正确的。