对于任何一所学校来说,都必须具有与其相适应的办学规模,重视其社会效益和经济效益.以广播电视为主要教学手段的中国电大教育,它的经济效益更是与其适度规模紧密联系在一起的.电大教育适度规模这一概念的内涵是非常丰富的,其核心是电大教育在适度的规模内实施,才能充分利用和发挥广播电视教育的各种资源的效益,才能实现最佳投资效益.显然,这一课题的研究具有很高的价值. For any one school, must have its own scale of running schools, pay attention to its social and economic benefits.With radio and television as the main teaching means of China Radio and Television University, its economic efficiency is even more closely linked with its modest scale Together. The concept of TVET moderate size is very rich in content, the core is the implementation of TVE in a moderate scale in order to make full use of and give full play to the effectiveness of various resources of radio and television education in order to achieve the best investment returns Obviously, the research on this topic is of great value.