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。

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Describe the systematic physics structure and overall scheme of software structure, present the key questions that the real-time online data collection and billing system realizes.

描述了系统的物理结构和软件结构总体方案，并给出了提及联机采集系统实现的关键问题。

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The hourly billing structure benefits only lawyers and people with deep pockets.

ECONOMIST: On India's nuclear technology, estate taxes, South Ossetia, immigration, lawyers' fees | The

The agencies' weaknesses are partly a result of their structure and billing.

ECONOMIST: Advertising

Beneath even the institutional structure (which is set up badly for clients) and the billing approach (which is even worse) is another level of perversion in the prevailing mindset of Big Law.

FORBES: Law Firms and Overcharging: The System Itself Is Rotten