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交互电视是即将崛起的一个系统产业。这个产业是以数字信息技术作为基础平台。以为消费者提供各种增值业务为核心的运营系统。本文试对该产业链中各环节的关键技术和角色功能作简要的阐明。
Interactive television is about to rise a system industry. The industry is based on digital information technology as a platform. To provide consumers with various value-added services as the core of the operating system. This article tries to make a brief explanation of the key technologies and roles of each link in this industrial chain.