Layers provided the overall architectural structure required to support a product-line development strategy by separating reusable and platform-specific software elements into different layers.
分层模式提供了支持某一产品线策略所必需的整个体系结构的结构，它将可重用和特定于平台的软件要素分离成不同的层。
Then, the requirements of the soft PLC platform are considered, and the overall structure of the system is designed based on software engineering and IEC61131-3 international standard.
然后再结合软件工程和IEC61131-3国际标准，对PLC程序开发系统进行了需求分析并设计了总体结构框架。
This dissertation began with overall design of the gateway and analyzed overall structure design, hardware platform characteristics and software design.
本论文从互联网关的总体设计入手，分析了互联网关的结构设计，硬件平台特征和软件设计。
The system overall function structure framework, integrated platform structure and 3 tier logic structure based on B/S mode are carried out.
提出了系统的总体功能结构框架、集成平台结构以及基于B/S模式的三层逻辑结构。
Then, the overall design of the structure, the functional module design and data storage design according to the platform has been proposed.
接着进行平台设计方案的分析研究，根据需求进行系统的总体设计、各功能模块的设计以及数据存储方案设计等工作；
The system architecture is designed and constructed, the system overall function model, integrated platform architecture and 3 tier logic structure based on B/S mode are carried out.
提出并设计了系统的总体功能结构框架、集成平台结构以及基于B／S模式的三层逻辑结构。
The system architecture is designed and constructed, the system overall function model, integrated platform architecture and 3 tier logic structure based on B/S mode are carried out.
提出并设计了系统的总体功能结构框架、集成平台结构以及基于B／S模式的三层逻辑结构。
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