Answeing is not only a necessary part in traditional teaching, but also an important module in modern remote teaching system.
答疑、 解惑不仅是传统教学活动的一部分，而且也是现代远程教学的重要环节。
Adopting RTP, IP multicast and JMF, we design a real-time surgery remote teaching system based on software, which is flexible and extendible.
本文采用RTP、IP组播、J MF等技术，设计出纯软件实现的实时远程手术教育系统。系统具有较好的灵活性和易扩展性。
The method works in the application layer and it's very simple to implement. It eliminates the practical bottleneck which baffles the application of remote teaching system.
该方案工作在应用层，实现简单，解决了实时教学系统中多种教学资源的同步问题，消除了限制实时直播教学应用的技术瓶颈。
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