本论文首先介绍了选题背景和研究意义。
The paper firstly introduced the background and the meaning of the subject.
本文首先阐述了选题背景和研究意义，确立了研究内容及技术路线。
Firstly, this paper explains the title background and research meaning, and then establishes research content and technical course.
论文首先论述本项目选题背景和研究意义，评述了前人研究的成果；
The thesis , first of all, focuses on the background of this project as well as its importance and then states the research results made in the past.
第一部分是综述部分，由选题背景和研究意义、国内外学术研究前沿进展评述和本研究技术手段构成。
The first part is a survey, consisting of background of a selected title, meaning of study, status quo of academic study and technological means of study.
阐述了本研究的选题背景和研究意义，并对国内外的相关领域的研究现状以及最新进展进行了简单的总结和回顾。
In the first part, an introduction is given to simply review the background, significance and the latest domestic and foreign progress of the related fields of the research.
前言部分阐述论文的选题背景、意义和研究方法。
Firstly, the forward discusses the background, meaning and the ways of the research.
本文第1章绪论部分，阐述了这一课题的学术背景和选题意义，并简要介绍了这一课题的研究现状。
Chapter 1 Introduction in this article, elaborate the academic background and significance of topics and gave a briefing on the subject of research.
包括研究工作的目的、范围和意义，问题的提出和选题的背景，最后阐述了本文所要解决的问题。
Including the purpose, range and meaning of research work, the proposition of the question and background of selected title, explained the problem that this text should solve finally.
第一部分是绪论，阐明了本研究的选题背景、目的与意义、主要内容和方法。
Part One is an introduction, elaborating the backgrounds, significance, purpose, main contents and methods of this study.
在前言部分，本文介绍了选题背景、意义和本文的研究框架。
In Introduction, the author stated the background of this topic and its research framework.
第一部分主要概括论文的选题的背景、意义和相关的研究方法。
The first chapter of this paper summarized the background, significance and relevance of the research methods.
文章第一部分为导论部分，主要介绍文章的选题背景和意义以及研究方法等。
Introduction to the article as the first part of the paper, the article introduces the background and significance of topics and research methods.
本论文分为六个部分：第一部分概述了本研究的背景、选题意义和研究方法。
This paper is divided into six parts: First part Outlines the background of this study, topics of significance, and research methodologies.
在本论文第一章中，首先阐述了选题的研究背景和研究意义。
In Chapter one, the backgrounds and significance of the selected topic were illustrated firstly.
本文的主要包括以下几章：第一章阐明选题的背景和意义、研究的思路以及本文的优缺点。
This article main content including: Chapter one Selection of the background and significance of this study as well as the advantages and disadvantages of this papers.
在这一部分主要阐述了研究背景、说明了选题原因和意义、以及研究的内容和方法。
In this part, describes the research background, explains the causes and significance of topics, and research the content and methods of this research.
第一部分为引言，主要介绍了论文的研究背景和选题的理论价值和现实意义并引出所要研究的重心。
The first part is the foreword, which mainly introduced the research background, the theory value, the practical significance and the center of gravity of the paper.
本文第一章介绍了逆向工程和CAD/CAM技术在口腔修复领域的应用与研究，以此为基础，提出了论文选题背景、研究意义和主要研究内容。
The first chapter introduces the RE technology and the CAD /CAM application in the field of dental cosmetology, then gives the background and significance of paper selection based on this situation.
本文结构如下：第一部分导论主要介绍了论文选题的背景、研究意义、研究思路和研究方法。
This paper is structured as follows: the first section introduces the background of topics, research significance, research ideas and research methods.
第一部分导论，主要阐述本文的研究背景、选题的意义、基本概念的界定、文献综述和调查研究的对象和方法。
First part states the background introduction of this thesis, purpose of the title, basic principles, cultural heritage overview and the methods of research.
本文共分为五个章节：第一章为绪论，介绍选题的背景和研究意义。
This paper is divided into five chapters:The first chapter is an introduction to introduce the topics of background and significance.
首先，阐述了选题背景和研究的意义。
First of all, explained the background and significance of the research topics.
本研究共分为五大部分：前言部分概括叙述了本研究选题背景、研究目的和意义，陈述了研究方法的选择和研究的操作过程。
The article includes five parts: the foreword summarizes the background, purpose and significance of the study and describes the choice of methods and research processes.
本文共分六个部分，第一部分是导论介绍本文的选题背景与意义，以及文章的研究思路和研究方法。
This thesis is divided into six parts; the first part is the Introduction of the background and significance of this article, as well as research ideas and research methodologies.
阐述了本文的选题背景、研究状况、研究的目的和意义，研究方法。
Elaborated this article selected topic background, the research condition, the research goal and the significance, the research technique.
论文共分为六个部分：第一部分：就其选题的背景、研究的意义及相关理论和概念做出阐述。
The paper altogether divides into six parts:The first part: On its selected topic's background, the research significance and the correlation theories and the concept make the elaboration.
第一章绪论部分主要介绍了论文选题的背景和意义，国内外研究现状，论文写作基本思路和研究方法。
The first chapter introduces some of the major topics of the background and significance, domestic and foreign outside research status of the literature review, essay writing basic ideas and methods.
首先，本文主要介绍论文选题的背景、研究意义、研究的主要内容和方法。
Firstly, it describes the research background, research purpose, research contents and research methods.
首先，本文主要介绍论文选题的背景、研究意义、研究的主要内容和方法。
Firstly, it describes the research background, research purpose, research contents and research methods.
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