给出了系统的实验流程，从而可以帮助教师、学生以及网络工程师通过在线实验更好地理解和掌握MPLS VPN技术。
It introduces an experimental procedure of system to help the teachers, students and network engineers to understand and master the technology of MPLS VPN after the discussion of the key technology.
通过实验给出了克服认识障碍，构建良好的认识结构，从而提高学生解决实际问题能力的若干途径。
Based on an experiment, this paper puts forward some ways of overcoming cognitive obstacles, composing good cognitive structure to increase students ability on problem -solving.
给出句型结构，通过例句进行指导，这就降低了学习难度，从而有利于学生通过交际完成任务。
Use the structure on the screen to do it in order that the example can help students with tasks well.
应用推荐