e.g.1：
This paper is organized as follows.
e.g.2：
In this paper, we adopt an IA scheme for SISO transmission……
Present Perfect Tense
When describing recent advances in a certain research field, or aiming to emphasize the impact of something happening recently on the present, you are suggested to use present perfect tense.
Why do we have to write an introduction?
Without an introduction it is sometimes very difficult for your readers to figure out what you are trying to say. There needs to be a thread of an idea that they will follow through your paper.
2.如何写引言
2.1 引言的组成 2.2 引言的特点 2.3 引言的结构与布局 2.4 引言实例
The content of an Introduction
1.The background information
2.The relevant literature
3.The nature,scope,purpose and significance of the problems investigated
Introduction is the first section of a scientific paper, including the background information of the research, the nature and scope of the problem investigated.
4.The method to tackle the problems 5.The results of the investigation
6.The conclusions suggested by the results
7.The explanation and definition of terms or abbreviations
3.引言部分的语言特征
3.1 引言部分的时态与语态 3.2 引言部分常用的句型 3.3 引言部分常用的词e in Introduction
Present Tense
The present tense (is, are) is used when stating generalizations or conclusions.
importance, and present level of development 1.2 Reviewing previous research in this area The second layer
Indicating the problem that has not been solved by previous research, raising a relevant question
a) 题X是重要的。 b) 前人的工作A、B曾经研究过这个问题。 c) A、B有一些缺陷。 d) 我们提出了方法D。 e) D的基本特征，和A、B进行比较。 f) 实验证明D比A、B优越。 g) 研究前景。
Research The backgroundThemaeutthhoodr’s
information reasrteiacrlech structure
Basic requirement
Introduction
Attraction
Brevity
Clarity
Structural Layout of Introduction
The first layer 1.1 Introducing the general research area including its background,
How to Write the Introduction
Group Members:
目录
1、引言及其作用 2、如何写引言 3、引言部分的语言特征 4、总结
1.引言及其作用
1.1 什么是引言 1.2 为什么要写引言 1.3 引言的作用 1.4 何时写引言
What is Introduction?
The function of Introduction
To answer the basic questions
What
Why
How
What is the subject about ?
Why I (we) carried out the experiment, that is to say, what is the problem?
The third layer Specifying the purpose of your research
The fourth layer 4.1 Announcing your major findings 4.2 Outlining the contents of your paper
One Template
How do we solve the problem?
When do we write the introduction?
Many books recommend writing your introduction last, after you finish your project. This is to make sure that you introduce what you are actually going to say.