Find the address file management for the video photos downloaded by the class circle of Wisdom Tree-in the BBTree folder of Wisdom Tree APP. National public service platform for smart education (including national smart education platform, smart education platform, smart education portal, etc.). Education Technology and Resources Development Center of Ministry of Education (Central Audio-visual Education Center).

At present, all videos can be downloaded online for the video courses of the national smart education platform for primary and secondary schools. Click "Three Points" at the lower right of the video interface to download.