我很幸運能有機會来韓國學習，继续攻读博士学位。 一篇博士毕业論文一定是

I am very fortunate to have the opportunity to study in Korea and continue my PhD. A doctoral dissertation must be completed under the careful guidance of a supervisor. At the same time, I am grateful to those who participated and supported me. Thank you for your dedication and help. I am also very lucky to be able to meet my current advisor, Professor Li, and my doctoral dissertation was formed step by step with the constant help of the professor. During the three years of studying, I would like to thank the teachers, elder brothers and others who have helped me again. I will live up to my youth and continue to study hard.

I am very lucky to have the opportunity to study in Korea and continue my doctoral degree. A doctoral dissertation must be completed under the careful guidance of my tutor. At the same time, I also thank those who participated in and supported me. Thank you for your contribution and help. I was also very lucky to meet my current mentor Professor Li. With the help of the professor, my doctoral thesis took shape step by step. In the three years of study, I thank my teachers, brothers and all the people who have helped me again. I will live up to my youth and continue to study hard.

I am very lucky to have the opportunity to study in Korea and continue to pursue my doctoral degree. A doctoral thesis can only be completed under the careful guidance of the tutor. At the same time, I would like to thank those who participated in and supported me. Thank you for your efforts and help. I'm also very lucky to meet my current tutor, Professor Li, and with the help of the professor, my doctoral thesis has been shaped step by step. During the three years of study, thanks again to the teachers, brothers and others who have helped me. I will live up to my youth and continue to study hard.