distance education 远程教育；广播教育,函授教育
短语
Distance Education in China中国远程教育
Distance Education Journal远程教育杂志
distance learning/education远程教育
Distance Education Library Services远程数字图书馆
European Distance Education Network欧洲远程教育网络
Distance Education Flourishes远程教育方兴未艾
Introduction to Distance Education远距离教育
Long-Distance Education远程教育
modern distance education现代远程教育；现代远距离教育