Knowledge tracing is the key component in online individualized learning,which is capable of assessing the users'mastery of skills and predicting the probab
To implement the prediction of the logistics demand capacity of a certain region,a comprehensive index system is constructed,which is composed of freight volume
The clothing industry is booming,and clothing prices are more affordable today.People's requirements for clothing are no longer limited to the question of e
Relying on cheap labor cost advantage,China is locked in the low-end processing link of the global value chain and obtains a lower profit share.With the deepeni