Enterprise system solutions nowadays commonly adopt a multi-layered system architecture, with separate layers for presentation, controller, application, domain, and persistence.
如今，企业系统解决方案一般采用多层的系统架构，包含用于表示、控制器、应用、领域，和持久性的分别的层。
Therefore, the database system performance tuning and optimization, involving multi-layers, are vital for the whole system to be in normal operation.
因此，基于数据库系统的性能调整与优化对于整个系统的正常运行起着至关重要的作用。
It is a common problem for the designer to exchange data in different layers and use which kind of granularity in multi-layers architecture software system.
在多层架构的分布式软件系统中，如何在层间交换数据，采用何种粒度的对象交换数据，是系统构建时经常遇到的问题。
The Web - based real - time monitoring system based on multi - layers architecture technology can display the real - time information of the enterprise control system on the remote Browser.
网上实时监测系统采用多层结构模式，实现了企业工业控制信息的远程动态显示。
The author puts forward the concept of multi phases boundary layers(MPBL)system and holds that that is the research object of contemporary earth system science.
提出了地表MPBL系统的概念，并认为它是一个开放性的复杂巨系统；
Their hybrid system characteristics are considered, and a multi-layers mixed model, which consists of process layer, supervisory layer and scheduling layer, is proposed.
论文分别讨论了各层混杂系统的模型形式，特别对过程控制层混杂系统模型进行了详细的描述。
Their hybrid system characteristics are considered, and a multi-layers mixed model, which consists of process layer, supervisory layer and scheduling layer, is proposed.
论文分别讨论了各层混杂系统的模型形式，特别对过程控制层混杂系统模型进行了详细的描述。
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