Secondly, fundamental 3g technologies, concepts, structure of 3g network and billing system are presented, which are the basis of subsystem design.
第二部分，介绍了3 G技术的基本概念和基本常识，网络结构和计费组件构成。
The development process of MIS applications with object-oriented method is related to form design, data base subsystem design, associated design of foregrounding and backgrounding.
运用面向对象的设计方法开发信息管理系统应用程序的过程，体现在窗体设计、数据库管理子系统设计和前后台操作的关联设计三个方面。
The paper emphasizes on the technical analysis of the 3d rendering process of ICT volume data sets, and summarizes the difficulties of the inspection subsystem design in large ICT.
重点对工业CT多断层图像数据三维显示的各个技术细节进行了具体的分析，并总结了在大型工业CT图像检查分系统方案设计中存在的技术难点。
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