CN104574235A
|
|
Intelligent class racing system
|
CN104408782A
|
|
Facial visibility attendance system
|
CN104464003A
|
|
Concentration checking method
|
CN104464004A
|
|
Electronic signing device
|
CN104408781A
|
|
Concentration attendance system
|
CN104408783A
|
|
Concentration degree checking system
|
CN104408784A
|
|
Electronic sign-in method
|
CN104410834A
|
|
Intelligent switching method for teaching videos
|
CN104464002A
|
|
Concentration checking method
|
CN104464421A
|
|
Distance teaching video interactive system
|
CN104469258A
|
|
Intelligent remote teaching video interaction mode adjusting method
|
CN104469303A
|
|
Intelligent switching method of teaching video
|
CN104469304A
|
|
Intelligent recording and playing system for performance training
|
CN104464001A
|
|
Facial view degree attendance method
|
CN104333817A
|
|
Method for quickly marking video
|
CN104469544A
|
|
Video marking method based on voice technology
|
CN104469542A
|
|
Device used for full video marking
|
CN104469543A
|
|
Video marking device based on voice technology
|