论文首先阐述了选题背景与研究的目的和意义。
The paper first elaborates the goal and significance of background and research.
第一部分介绍了论文的选题背景、写作意义和研究方法。
The first part introduced the research background, significances and method.
第一部分介绍了论文的选题背景、写作意义和研究方法。
The first part introduced the research background, significances and method.
应用推荐