Concurrent enterprises production planning and control system can't meet the requirements of virtual enterprises environment, such as autonomy, distribution, dynamics and heterogeneity.
现有的企业生产计划与控制系统已不能满足虚拟企业环境下的需求，如自治性、分布性、动态性与异构性。
According to this structure, constructing integrated production management system, real-time scheduling of production planning and real-time control of production process will be realized.
按照这种结构，构建企业的集成化生产管理系统，将会实现生产计划的实时调度以及生产过程的实时控制。
MRP system is not very efficient in production planning and control of job shop, especially of the one that contains three-level structure: shop, subshop and workgroup.
物料需求计划（MRP）系统对于车间层，尤其是基于车间-工段-班组的车间层的作业计划和控制不是很有效的。
The control and scheduling of production planning of FMS act as the core of FMS running control system, and one of the key technologies as well which decide if FMS can obtain anticipated profit.
在FMS中，生产计划调度与控制是FMS运行控制系统的核心，是决定FMS能否取得预期经济效益的关键技术之一。
Manufacturing Execution System(MES)is the bridge between enterprise planning level and control level of the workshop, Which is responsible for the production management and scheduling execution.
制造执行系统是处于计划层和现场操作控制层之间的执行层，主要负责企业的生产管理和调度执行。
Manufacturing Execution System(MES)is the bridge between enterprise planning level and control level of the workshop, Which is responsible for the production management and scheduling execution.
制造执行系统是处于计划层和现场操作控制层之间的执行层，主要负责企业的生产管理和调度执行。
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