WallisLucy

@jackery

BASIC member 0 karma
The special feature of the new laser pointer

The laser pointer is now an important part of the teaching process for teachers. Teachers can use the laser pointer to indicate the location of the content they are telling. Modern teaching often uses PPT, and the teacher will prepare the PPT in advance and then put it in the classroom. Demonstration, because there are often more points on a page of PPT, in order to facilitate the teacher to tell the students the location of the points when demonstrating the PPT, the teacher will use a laser pointer when giving a lecture. However, the existing laser pointers are relatively similar in structure. They are all long strips, have no novelty, are inconvenient to carry, and are easy to lose. Laser pointer mobile phones have now become people’s essential portable electronic items. In order to meet more and more people’s work and life needs, laser pointer mobile phones continue to add a variety of practical functions, so all kinds of practical gad
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