The auxiliary teaching methods, auxiliary teaching devices, and auxiliary teaching systems

The screen projection methods, computer terminals, and mobile terminals

A method, device, and system for fast navigation

The file synchronization methods and devices for online storage services

A method and system for remote control of the software in the mobile terminal

A scorm package intelligent docking detection method and device

A method and device for extracting document content (Hunan Company)

A method and system for bulk uploading of resource information and corresponding resource files