But the research team was able to conclude that infectious diseases and the introduction of new foods were the primary reasons that some genes swept through populations with such speed.
但他的研究团队可以断定，传染病和新的食物是某些基因以如此快的速度成为人类基因的主要原因。
The main purpose of the introduction is to provide the necessary background or context for your research problem.
引言的主要目的是为你的研究问题提供必要的背景。
It IS hard to imagine a less enticing title for a book than "Introduction to Operations Research".
很难想象一本书的名字会比“运筹学导论”这个名字还没有吸引力。
The introduction typically begins with a general statement of the problem area, with a focus on a specific research problem, to be followed by the rational or justification for the proposed study.
引言一般以对该领域的简单描述开始，同时关注某一特定的研究问题，接下来是拟定研究的基本原理。
This is usually part of the introduction to an essay, research report or thesis.
这通常是部分介绍了一篇文章，研究报告或论文。
The introduction of Artificial neural network to TCM Syndrome research consistents with the TCM Syndrome connotation system requirements, and is feasible.
将人工神经网络方法引入中医证候研究领域符合中医证候体系的内涵要求，具有可行性。
The first part introduction introduces the purpose and significance of this topics, content, research methods and main problem to be solved.
第一部分引言主要介绍了本文选题的目的和意义、研究内容、研究方法、拟解决的主要问题。
The introduction of the article and analytic do one's best obtain run-of-mill research technique, thereby new and high to each area has a case research.
本文的介绍和分析力求获得一般性的研究方法，从而对各高新地区进行个案研究。
The purpose of main study on this text, research range, and the research approach has done the simple generalization, and has made an introduction to the writing original intention of the article.
主要对本文的研究目的、研究范围、及研究方法作了简单的概括，并对文章的写作初衷进行了介绍。
According to the introduction, "guidelines" since 2007 the research setting, the literacy education curriculum is divided into the basic curriculum and the local curriculum in two parts.
据介绍，《指导纲要》自2007年起研究制定，把扫盲教育课程设置分为基本课程和地方课程两个部分。
The issue of packaging engineering curriculum system Introduction to the research, analysis, computer-aided teaching software through the establishment of a comprehensive platform for teaching aids.
本课题通过对包装工程导论课程体系的研究、分析，通过计算机辅助教学软件建立一个全面的教学辅助平台。
The paper offers an introduction to the definition, research methods, application steps and functions of pharmaceutical economics.
文章对药物经济学的定义、研究方法、实施步骤及作用进行了介绍。
The introduction part explains the research purpose and current situation to the natural question that Marx oversteps Feuerbach.
引言部分说明了对马克思超越费尔巴哈的实质问题的研究目的和研究现状。
The first part is an introduction to the thesis topic, research ideas, research methods and significance.
第一部分为绪论，对论文的选题、研究思路、研究方法和研究意义做了简要说明。
Introduction was made to the key test items and technical requirements of contactor type relay reliability research.
介绍了接触器式继电器町靠性研究的重点试验项目及技术要求。
Part four gives a detailed introduction to and description of the research method and its contents.
第四部分对研究的方法和内容做了详细的描述和介绍。
The first chapter makes an introduction to the raise of the issue, the research significance, the literature review, the thought and the methods, and the definitions of relevant concepts.
第一章为绪论，主要内容包括选题缘起和研讨意义，海内外相关研讨现状，研讨思路与方式，相关概念界定。
This paper offers a brief introduction to contextual study, meanwhile discusses the significance of contextual research to speech study.
本文简述中外学者对语境研究状况，讨论语境研究对言语研究的意义。
In the first chapter, we shall give a simple introduction to the mean-field theory and its history, research status and applications of chaos in BEC.
第一章简单介绍了平均场理论以及玻色-爱因斯坦凝聚领域中有关混沌的研究历史，现状和应用。
Chapter one expounds the connotation and function of implementing education of physics scientific method in middle school, and does brief introduction to some common physics research approaches.
第一章、阐述了物理科学方法教育的内涵，以及在中学物理教学中实施物理科学方法教育的地位和作用，并对一些常见的物理学研究方法做了简要介绍。
According to Hua Dong biology of Normal University nerve teachs Lin long year the introduction, these research are belonged to for the most part medication.
据华东师范大学神经生物学教授林龙年介绍，这些研究大部分属于药物治疗。
The author considers that the introduction of acupuncture serum method will help to expand the acupuncture research field and to promote further research on acupuncture effect and it's mechanism.
作者还认为，“针灸血清”方法的采用，将有利于拓宽针灸研究的领域，推动针灸作用机理的研究。
This paper gives a brief introduction to the experimental achievement in the research of a new two-section combustion device.
概要地介绍了近几年所研究的新型两段燃烧装置试验研究成果。
This chapter is a brief introduction to the research background, the research objectives, the research significance, the research methodology and the structure of the thesis.
本章简要介绍了研究背景，研究目标，研究意义，研究方法和论文的结构。
Chapter One is a brief introduction to the research background, goal, significance and organization of the thesis.
第一章简单介绍了的论文的研究背景、目标、意义和结构。
The paper made a general analysis and introduction to several points of view of research common used in Chinese traditional music research by mainland scholars recent years.
文章以大陆学者近年来在中国传统音乐研究中常见的几种角度为例，对其作了简要的分析和介绍。
The paper made a general analysis and introduction to several points of view of research common used in Chinese traditional music research by mainland scholars recent years.
文章以大陆学者近年来在中国传统音乐研究中常见的几种角度为例，对其作了简要的分析和介绍。
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