沉稳大气毕业答辩模板Thank you for downloading, Bazhong City, Sichuan Province Spring and Autumn ads main graphic design, there are any questions, please contact the rice hull my business number.SPRING AND AUTUMN ADVERTISING EXQUISITE TEMPLATES指导老师：赵老师 答辩人：赵美丽目 录COMPANYThank you for downloading, Bazhong City, Sichuan Province Spring and Autumn ads main graphic design, there are any questions, please contact the rice hull my business number.01Research background and present situation研究背景与现状02Research method
