引言(或绪论)引言(或绪论)简要说明研究工作的目的、范围、相关领域的前人工作和知识空白、理论基础和分析、研究设想、研究方法和实验设计、预期结果和意义等。应言简意赅,不要与摘要雷同,不要成为摘要的注释。一般教科书中有的知识,在引言中不必赘述。比较短的论文可以只用小 Introduction (or introduction) Introduction (or introduction) Brief description of the purpose and scope of the research work, predecessors work and knowledge gaps in relevant fields, theoretical basis and analysis, research ideas, research methods and experimental design, the expected results and significance. Should be concise, do not be the same with the abstract, do not become a summary of the note. Some general knowledge of textbooks, in the introduction need not repeat them. Shorter papers can be small