The performance work is concurrent and an iterative process with R5.x development.
性能工作是同时进行的，并且在R5.x开发中是一个迭代过程。
Chapter two discusses the concurrent Engineering, including the concept of ce, the sequential and concurrent product development process and the concept and measurement of concurrent degree.
第二章对并行工程的概念、产品开发的串行方式及并行方式、并行度的概念及量度方法作了深入地阐述。
The fourth section focuses on the product design process in PDM environment combined with practice on the project - Concurrent product Development Platform.
第四部分结合并行协同设计平台项目实践研究了PD M支撑环境下的产品设计过程。
Based on concurrent engineering, the development process of the environment control system for aircraft and the structure of system design are analyzed.
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；
Describing the process model of product development by logic DFC, planning the process by methods of concurrent engineering activity planning, the process model of auto panel die design is developed.
通过应用逻辑DFC图对产品开发的过程模型进行图示化描述，应用并行工程的活动分解方法对过程进行分解，建立了汽车覆盖件模具设计的过程模型。
Overlapping the coupled activities is an important strategy to implement concurrent engineering in complex product development process.
耦合任务的重叠执行是复杂产品实施并行工程的一种重要方式。
In concurrent engineering, the overlap between the upstream product design activity and the downstream process design activity can shorten the duration of the product development process.
并行工程环境中，上游产品设计活动和下游过程设计活动之间的重叠，可缩短产品开发过程的持续时间。
A heuristic programming method is presented based on the characteristics of concurrent activities in the product development process.
针对并行工程产品开发过程中活动的特点，提出了一种启发式并行活动规划方法。
A resource constraints based optimization scheduling approach is proposed for concurrent product development process.
针对并行产品开发过程，提出了一种基于资源约束的优化调度算法。
A resource constraints based optimization scheduling approach is proposed for concurrent product development process.
针对并行产品开发过程，提出了一种基于资源约束的优化调度算法。
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