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The function of classroom memory is realized through the smart bracelet

This is a video of a child doing volunteer work. It's simple, but it's precious.

This is a paper on teaching management, mainly about the management of Chinese minority students.

Through the transformation and innovation of the old things, the use value of the old things is realized.

A survey report on college students' consumption concept based on Maslow's demand theory

The application of face recognition technology in campus