【摘要】 单向传输的有线电视系统可被改造成双向 HFC网络。这一重要资源与现有的教学网络系统综合起来将在教育领域中得到合理高效的应用。本文介绍了一种基于有线电视双向 HFC网络的区域教学系统 ,对此新系统的结构、功能、特点以及教学模式等方面进行了扼要说明。更多还原

【Abstract】 CATV system of mono directional transmission may be changed into bidirectional HFC network. The integration of this important resource and the existing teaching network system would be applied in education efficiently. This paper introduced a system of teaching in area coverage based on CATV integrated network, nd made a brief account of its structure, functions, characteristic and teaching modes.更多还原