Patent ID: 11908344
Assignee: CENTRAL CHINA NORMAL UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 6:
7. The method of claim 5, wherein step (S2) comprises:
(S2-1) establishing a knowledge tree model of the teaching resources according to the subjects, grades, the textbook versions, chapters and the knowledge points; attaching the teaching resources to the knowledge tree model according to media types; assigning adaptable terminals, screen sizes and aspect ratios to the teaching resources; determining the most compatible teaching resources according to user's requests in the weighting order of the terminal, the resolution, and ratio attributes;
(S2-2) constructing the cloud-edge-end link using the MEC architecture; deploying a rendering and teaching service module of the 3D comprehensive teaching field in the cloud to realize services of user information, resource matching and function validation; deploying the edge computing server in a school to which the classroom belongs to, so as to realize services of screen rendering, edge computing and resource updating; and downloading the virtual teaching resources from a classroom end based on instruction requests issued by the teacher; and
(S2-3) sending a request for loading the teaching resources from a teaching application of the electronic sand table according to teaching objectives and teaching content requirements; and loading the teaching resource on the electronic sand table.