成本估算，预定的开始日期，采取控制的工作分解结构层次上的职责分配。
Cost estimates, scheduled start dates, and responsibility assignments to the level of the WBS at which control will be exercised.
基于并行工程方法，分析了飞机环境控制系统的研制流程和系统设计的结构层次；
Based on concurrent engineering, the development process of the environment control system for aircraft and the structure of system design are analyzed.
应用推荐