1, different time and space restrictions: online learning has no time and space restrictions; Ground study is limited by time and space, and classes must be held at a fixed time and place.

2, the convenience of access is different: online learning can stay at home as long as there is a network; Ground research must go to the scene, rain or shine.

3. Speed and timeliness are different: online learning will be updated as soon as the courses on the server are updated; The content of the ground learning teacher's lecture has been updated, and it will be updated immediately.