科技学术论文 Introduction引言的主要容是交代此项讨论的来龙去脉，简要说明课题的缘起与背景，性质与意义，动机与目的、主要理论根据与其根本原理等，同时指出相关领域前任的讨论成果、存在问题和知识空白，以说明本项讨论的连续性和需要性，表达有关本课题的历史沿革是为了温故而知新，但应注意掌握适当的围和尺度，一般来说仅需要介绍极密切的有关史料即可，不宜泛泛赘述大量历史文献，否那么会造成 Introduction 长而乏味
first：提出讨论现状和此讨论的重要性second：强调有必要解决存在的问题third：介绍作者自己的讨论容、提出创新性逻辑的连贯容的创新词汇简洁时态1
What is an introduction
The introduction section shows the questions that should be answered for the readers once they finish reading the “Introduction〞
What’s the purpose of the introduction
The introduction comes at the start of a piece of writing
Without this part, the reader cannot easily understand the more detailed information about the research that comes later in the thesis
It introduces:〔1〕
the research by situating it (by giving background), 〔2〕
presenting the research problem , and sayin
