the research is focus on following topics: 1,2,3this study is include the research area of: 1,2,3论文创新点如下(the intreast points in this assignment include: 1,2,3)存口头翻译，别介意哈
创新英文：bring forth new ideas； innovate； blaze new trails； make innovations inaugurate The paper’s first innovation point is its thesis .本研究的主要创新点是:其一,选题创新。
Doubleflower
