"Simple harmonic transverse waves propagate along the x-axis. It is known that the vibration images of the particles at x1=1m and x2=7m on the x-axis are as shown in the following two figures..."
Although it was Monday morning, there were still many people lying down in the classroom, and one or two people were taking advantage of the situation and quietly reading comic books. The physics teacher asked four people to stand up and listen to the class, but found that it didn't have much of a deterrent effect. He was discouraged and simply let them go, standing in front of the blackboard and talking about his own things, regardless of whether they listened or not.
When the physics teacher turned around to write on the blackboard, Liam Zhao also turned around flexibly. "Brother Chi, he---" He paused as soon as he opened his mouth. Liam Zhao's eyes fell on the draft paper spread out in front of Jarvin Wen. He saw a lot of words written on it, big and small, but they were all the two words "Adrian Chi".
The force was so strong that several strokes almost pierced the paper.
Liam Zhao recognized Adrian Chi's handwriting and exclaimed in a low voice: "Hey, is Adrian Chi's hand naughty or impatient? Why did he sign so many names on your draft paper? Are you practicing signing in preparation for your debut?"
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