1. Thank you for taking the time to listen to my thesis defense. In this defense, I fully demonstrated my design ability and practical experience, and also accumulated valuable theoretical knowledge and practical experience.

2. This is the end of my defense. I hope that all teachers will put forward valuable opinions and point out mistakes and shortcomings, and I will accept them with an open mind for further study and research, so as to improve and perfect the design. Thank you again for your questions.

Thank you for listening and writing. Please criticize and correct me.

4. The defense is over. I would like to thank all the experts, teachers and students for their insights and support, and pay tribute to you.

5. Thanks to my tutor. Their rigorous and meticulous style has always been an example for me to work and study.