This research and thesis were completed under the cordial care and careful guidance of my tutor. His serious scientific attitude, rigorous academic spirit and work style of Excellence deeply infected and inspired me. The teacher * not only gave me careful guidance in my study, but also gave me meticulous care in my thoughts and life. Sincere thanks and high respect to the teacher. I also want to thank the students who spent the graduation thesis group happily together. It is because of your help and support that I can overcome one difficulty after another until I successfully finish this paper.

When the paper is about to be completed, my mood can't be calm. How many respectable teachers, classmates and friends gave me wordless help from the beginning to the smooth completion of the thesis? Please accept my sincere thanks! Finally, I want to thank my parents who raised me with great pains. Thank you!

Finally, once again, I would like to express my heartfelt thanks to the teachers and classmates who care about and help me!

thank you

In the process of this thesis design, teacher XXX gave careful guidance and guidance to all aspects of the thesis from topic selection, conception to finalization, so that I finally completed the graduation thesis design. In my study, teachers' rigorous academic attitude, rich and profound knowledge, keen academic thinking, working attitude of striving for perfection and tireless teacher style are the models of my lifelong learning, and my tutors' profound and exquisite attainments and rigorous and realistic academic spirit will always inspire me. In the past three years, I have also received the care, support and help of many teachers. Here, I would like to extend my heartfelt thanks and high respect to the teachers!

Finally, I would like to thank all the teachers who took time out of their busy schedules to review, comment and participate in my thesis defense.

Express gratitude/gratitude

This graduation project has been helped by many teachers, classmates and colleagues, among which my tutor Geng Zhaofeng is particularly important to me. Every time I encounter a problem, the first thing I do is to ask Mr. Geng for help, and whenever Mr. Geng is busy or free, he always takes time to come to me for an interview and discuss the solution together.

In addition, I am grateful to the school for giving me such an opportunity to finish a project independently, and giving us all kinds of conveniences in this process, so that we can learn more practical knowledge in the last period of leaving school, enhance our practical operation and practical application ability, and improve our independent thinking ability. Thanks again to my alma mater.

Thanks to the students who worked closely with me during the whole graduation design process, and to the partners who helped me in all aspects. In the last days of college life, we once again interpreted the fairy tale of unity and cooperation and successfully completed a huge project that was never started. It is because of your help that I not only learned the new knowledge involved in this topic, but also felt something beyond knowledge, that is, the power of unity.

Finally, I want to thank all the people who helped me in this graduation project.

Thanks:

First of all, I want to thank the single university for training me for more than 20 years. Although she delayed my graduation for many years and charged me a lot of room and board in those years, I still want to thank you!

Our school has a long history and a huge scale. It recruits a large number of newborns every day and a large number of couples graduate! Our school mainly trains strong men. Many students applied for the degree of a strong man in our school, and then went to AIDA for further study, pursuing the degree of a saint (the latter mainly trains students of a saint). I have trained many saints, and I can continue to read the Golden Sage after reading them. In recent years, according to the experience of similar schools in Europe and America, our school has reformed the teaching system and relaxed the graduation period for students. A large number of my brothers and sisters who have only been in school for more than ten years have graduated with honors from our school! Form a beautiful landscape! This also makes me more anxious to graduate!

In particular, I would like to thank my tutor, Gold Saints graduates from Lover University, and Mr. distinguished professor and Mr. Wei Xiaobao from our school. Although Mr. Bao Xiao failed to update his knowledge in time when the tide of knowledge struck, his own knowledge system became obsolete like other lazy famous scholars, and he couldn't give me much help in the process of writing my thesis. Although he is busy with housework because of his many mistresses, he doesn't show much concern for my daily life. But I admire him! I admire many topics that he once presided over independently!

When it comes to Mr. Bao Xiao's topic, I will digress. Some professors trained in our school (in fact, because they can't graduate, or can't find a job, they are forced to stay in school to teach), such as Mr. Li Mochou and Mr. Extinction Teacher. Because there is a big gap with my mentor in the world view, they are not convinced of the achievements made by my mentor. They think that Mr. Bao Xiao used his relationship with higher-level scientific research institutions to defraud many projects and scientific research funds, so they can achieve today's achievements, and they have accomplished nothing in their lives mainly because they have no projects in their hands. I don't think you should blame your bad luck on society! Teacher Bao Xiao's scientific research achievements are remarkable, and his achievements are unquestionable and indelible! In particular, the national key scientific research project "Pursuing Ako Plan" he presided over was the most earth-shattering and touching! In this topic, the experimental method has great innovation, and the experimental results are at the leading level in China, which fills many gaps in similar research!

Here, I would like to make a solemn protest to Mr. Li Mochou and Mr. Extinction, who can't eat grapes and say they are sour!

In a word, I admire Mr. Wei Xiaobao. He is a beacon in the field of love in China! He is a workhorse who is practicing on the cusp of China's love science! I think many people can only see his back from a distance through their lifetime efforts! ! !

Thank you again from the bottom of my heart!