求翻译：摘要： 随着计算机网络技术和教育水平的不断发展，使教育和网络有机地结合起来，远程教育已经成为现代教育技术未来发展方向之一，教学和考试这两个教育过程中最主要的子系统，成为远程教育研究的重点。互联网独特的优点让网络教学和考试突破了时间和空间的限制，拓展了教学和考试的灵活性。是什么意思？

Summary: with the development of computer network technology and the level of education so that organically combines education and the network, distance education has become one of the future development direction of modern educational technology, teaching and examination of these two major subsystems in the educational process, become the focus of the study of distance education. Unique Internet networked teaching and examination of the advantages of breaking the restrictions of time and space, expansion of the teaching and examination of flexibility.