At the same time, I also want to th

At the same time, I also want to thank my parents, the grass, the back of the tree, the grace of parenting, no return, you always healthy and happy is my greatest wish. Although the thesis has been written, but my mood is quiet, from the beginning of the selection of topics to the successful completion of the graduation thesis, how many respectable teachers, classmates, friends gave me silent help, here please accept my sincere thanks! At the same time also thank the Academy for providing us with the platform, and finally, once again, thanks in the graduation design has helped my mentors and friends and classmates reading in the same window, as well as in the paper I quote or refer to the author of the thesis. Thanks to everyone for helping my papers go so smoothly!