闭路电视双向控制系统在现代教育教学中应用的重要性

The Importance of Double－ Control System of Closed Television Application in Modern Education

随着现代教育技术的发展，单纯的闭路电视系统已不适合现代教学的应用，因为，教师的授课是十分被动的。而新颖的双向控制系统解决了这个问题，实现了教师在教室内对主控室各类设备的节目源任意调用，大大地增强了课堂教学的直观性和趣味性，真正发挥了电化教学设备的功能。

With the development of modern education technology,mere closed television system is no longer fit for modern tecahing,yet new type double－ control system has solved these probliems.Teacher can easily use,in the classroom,video－ signal from equipment inside central control room,and increase greatly intuition and enjoyment in the classroom.by way of exerting the function of audiovisual teaching equipment.