在前言部分，作者提出了研究这一课题的意义、研究现状，点明了本文的主要写作目的。
In the preface, the writer discusses the significance and the current situation of studying the topic, points out the aim of writing the paper.
绪论部分主要点明了本课题的研究现状，继而明确本课题今后的努力方向以及研究意义。
The part of the introduction mainly points out the current research situation of the subject, and analyses the striving direction and research meaning in the future.
第一部分为绪论，主要是点明本课题的研究现状，继而明确本课题的研究意义及价值、研究方法等。
The first part is the introduction that mainly points out the current research situation of this subject, then the research meaning and value, the research approaches, etc.
绪论部分主要点明本课题的研究价值和意义、研究现状以及语料来源、研究方法。
The preface clearly pointed out by some of the major topics of research value and significance of research as well as the corpus source of research methods.
主要是点明本课题的研究现状，继而明确本课题的研究范围、研究意义与方法等。
The main issue is highlighted in the study of this status quo, and then clearly defines the scope of the study subjects to study the meanings and methods.
主要是点明本课题的研究现状，继而明确本课题的研究范围、研究意义与方法等。
The main issue is highlighted in the study of this status quo, and then clearly defines the scope of the study subjects to study the meanings and methods.
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