项目执行阶段 meaning in Chinese

program execution phase

Project management is guarantee of carrying out project smoothly during project implementation phase
项目管理是项目执行阶段顺利展开的保证。
How you excel in the situation when your team conflict with your upper management in one specific approach during the project execution
问题三，在项目执行阶段，当你(或你的团队)与你的上司就某一具体实施有冲突时，你如何处理？