From the topic selection to the com

From the topic selection to the completion of the thesis, each step is completed under the careful guidance of the tutor, who has made a lot of efforts. When the thesis was about to be completed, from the beginning to the smooth completion of the thesis, there were many respectable classmates and friends who helped me. Please accept my sincere thanks! Finally, I want to thank my parents, you have trained me, let me grow in the tribulation, thank you! Finally, thank all the people who helped me finish my graduation project.