Video-on-demand system is a new video service system which incorporates communication network technology, multimedia technology, computer and database technology.

视频点播系统是集通信网络技术、多媒体技术、计算机和数据库技术于一体的崭新的视频服务系统。

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Wireless technology is the focus in communication field because of people's high demand on multimedia capability of multi-services.

基于人类对通信的高要求，即实现多种业务的多媒体能力，无线技术已成为整个通信领域的最大热点。

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