概述本论文的研究背景与动机、研究问题、研究方法及研究内容与框架。
It includes the research background, motivation, problems, research methods and the framework of context.
全文在结构上分为五个部分：第一部分介绍了本文选题背景和意义、研究方法及主要研究内容与框架。
This paper consists of five parts: the first part is a preface, including the background and meaning for choosing this title, the method applied, the research contents and its study framework.
如果导航不是从一个外部页面到下一个外部页面，那么当用户浏览网站时，您就需要用适当的左侧导航框架与正文内容同步。
If navigation was not from one outer page to the next, you would need to synchronize the body content with the proper left navigation frame as users browse the site.
应用推荐