... It Describes The System 讲述系统 Describes The Background 介绍研究背景 And Describes The 并且描述 ...
基于8个网页-相关网页
首先介绍研究背景，然后对国内外研究动态进行述评。
First the study introduces the research background, and then comments the domestic and foreign research.
第一章作为导言，介绍研究背景、目的、意义及研究问题。
The first chapter servers as an introduction, presenting the research background, research purpose, specific research questions and the significance of the study.
第一章介绍研究背景、研究现状、研究意义、研究方法与目标。
The first chapter describes the research background, research status, significance, research methods and objectives.
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