Master Production Schedule(MPS) Time-phased plan specifying how many and when the firm plans to build each end item Aggregate Plan (Product Groups) 总生产计划 (产品组) MPS (SpecifIc End Items) 主生产计划 (特定的计划模块)Master Production Schedule (MPS) • Time-phased plan specifying how many and when the firm plans to build each end item. Aggregate Plan (Product Groups) MPS (Specific End Items) 总生产计划 （产品组） 主生产计划 （特定的计划模块）