网络教学平台由教师教学系统、学生学习系统和教学管理系统三大模块组成，这些模块之间相互联系，相互配合，构成一个完整的网络教学系统。-The long-distance education means that the teachers and the students rely on the media to carry out the no face-to-face education. With the arrival of the information time, the cycle of