Secondly, fundamental 3g technologies, concepts, structure of 3g network and billing system are presented, which are the basis of subsystemdesign.
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。
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The development process of MIS applications with object-oriented method is related to form design, data base subsystemdesign, associated design of foregrounding and backgrounding.
The paper emphasizes on the technical analysis of the 3d rendering process of ICT volume data sets, and summarizes the difficulties of the inspection subsystemdesign in large ICT.