对现有远程教育模式及数字视频广播原理进行了分析，并对现代远程教育网络平台的构建方法进行了论述。
This paper analyzes the present distant education pattern as well as the principle of digital video broadcasting, and discusses the design approach of modern distant education network platform.
产品的开发主要围绕软件包括操作系统的移植，蓝牙协议栈的移植，网络平台的构建和SIP运用的开发。
The research and development of this product mainly concerns software including the porting of OS, Bluetooth stack and network configuration and application of SIP.
第3章构建了网络教学资源库的系统平台。
In chapter 3, the network source database system has been constructed.
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