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Teaching and training meetings, classroom teaching; traditional projectors are not easy to carry. In school classrooms, due to the naughty students, projectors are not safe in the classroom and are easily damaged by students. The portability of micro projectors makes up for the teaching vacancies. In the future, teachers will give lectures. You only need to store the data in the projector to show it to students for teaching, saving the trouble of textbooks and handwriting with pens and chalks.
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