导言：对选题的缘起、研究背景及现状、选题意义的简单介绍。
Preface: a briefly introduction to the reason, background, present condition and value of the thesis.
全面阐述了本课题研究的背景、现状、目的和意义及自主学习的理论研究。
A comprehensive exposition of the background to the study of this subject, status, purpose and significance of the self-study and theoretical research.
本文绪论首先介绍了该课题的设计背景、设计意义及相关问题的研究现状。
In this paper, the exordium introduces the background, significance and the current achievement of the design on this subject.
引言部分论述了时尚类杂志的研究背景及研究意义、研究现状、研究内容和研究方法。
Introduction describes research background and research meaning, research current situation, research contents and research approach of the fashion magazine.
本文分为五个部分：第一部分前言，主要陈述研究背景、研究意义及国内外对行动导向教学的研究现状；
This paper includes the following five parts: In the first part, the preface mainly states the research background, significance and status of action oriented teaching at home and abroad.
在本文的引言部分，对研究恶意诉讼侵权的背景、意义、研究现状及研究方法做了简要的阐述。
Then it uses the method of empirical analysis to probe on features and problems in judicature of malicious prosecution in China.
论文的第一章主要介绍研究背景，城市公用事业和供水行业的现状，以及研究的方法及内容。
In the first chapter, it introduces the background of study, present situation of city public utilities and the management of water industry, the research method and content.
首先，对“协同工作方式下的港口智能化综合管理信息系统”进行了概述，对当前港口信息话建设的背景、现状及发展趋势进行了分析，提出了课题研究的目标和意义。
Firstly, as an introduction, Thesis analyze the background, current situation and blueprint of construction port information system, also bring forward the goal and meaning of this research.
本文首先简要介绍了钢轨轨距检测的开发背景、研究现状及FPGA的有关知识。
This paper first introduces the developing background and the research status quo of the automatic measurement system for railway gauge and also some knowledge about FPGA.
引言部分，简要介绍了实物期权的背景及实物资产的期权问题的研究现状。
In the preface, we introduce the background of real option, present condition of studying of option problems about real assets and what we are going to do in the paper.
绪论包括选题背景及研究意义、研究现状和技术路线三部分。
There are three sections in this preface: research background and study purpose, contemporary progress of the subject and technical approach.
主要介绍了论文选题的背景及依据、论文选题的研究现状以及与论文相关的几个主要概念的诠释。
The background, basis, research status of this topic and interpretations of the main concepts related to the thesis are introduced respectively.
简要概述了本文研究对象的背景缘起，研究现状及研究工作的理论和现实意义。
The foreword part briefly introduces the background, the current status, and the theoretical and practical significance of this research work.
本文就纳米级超声造影剂的研究背景、研究现状、现存的问题及发展前景做一综述。
This review describes the background and current research situation of nanoscale ultrasound contrast agent, as well as the potential disadvantages and prospective.
介绍了国内外几种无毒单组元发动机技术的研究背景及研究现状。
This paper introduces the background and the status of the development of non-toxic mono-propellant engines at home and abroad.
先容了本文的选题背景、课题的研究现状、研究意义及研究方法。
Introduced this article selected topic background, the topic research present situation, the research significance and the research technique.
主要分析本课题研究的背景，及研究的意义。对相关题目的研究现状及文献进行综述，对采用的研究方法给出明确的解释。
It includes an analysis of the background of this research, its significance, status quo of related issues and review of the literature and research methods.
本文第一章，介绍研究背景与意义，国内外研究现状及研究思路与方法。
First, it includes the research background and significance, the current research both home and abroad, also introduce the research method.
本文首先综述了文本复制检测系统的研究背景﹑基本概念﹑研究现状及科学意义。
Firstly, this paper introduces background, basic concept, research situation and scientific significance of the copy detection.
本文从图书馆数字资源整合的背景及研究意义入手，对国内外数字资源整合的现状做了简单介绍。
This article starts from the background of the integration technology of digital resource in libraries. Make a brief introduction of integration technology in this field.
引言部分主要介绍了本文选题的背景及意义、中外研究现状、研究方法和研究内容。
The introduction mainly describes the background and significance, status of both home and abroad, research methods and contents.
主要就乌托邦主题的研究背景、研究价值、国内外研究现状及本文的研究方法和架构作一概括陈述。
Outlines the background and value of the research, the status of the research, the method of the research and the framework.
本章简要介绍了本文的研究背景、研究对象及目的，研究的价值和意义以及研究现状。
This chapter provides a brief background of this study, the research object and purpose, the value and significance of research and the status.
本文首先论述了课题的背景及来源，国内外研究现状及发展前景，并在此基础上提出了自己的研究方向。
The paper elaborates firstly the topic's background and the origin, the domestic and foreign present researching situation and the prospects for development.
本文分为五章，其中，第一章是绪论，主要介绍本文的写作背景、写作结构及国内外研究现状。
This article is divided into five chapters, of which the first chapter is an introduction, describes the background of writing this article, writing structure and research status.
本文分为五章，其中，第一章是绪论，主要介绍本文的写作背景、写作结构及国内外研究现状。
This article is divided into five chapters, of which the first chapter is an introduction, describes the background of writing this article, writing structure and research status.
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