引言部分主要说明本文写作的目的、涉及范围、相关领域的前人研究成果，研究设想、理论意义和实际价值、创新性。
The object matter of the foreword part is to describe the aim of this article, its research area and expectation, and its value both in practice and theory.
引言部分主要说明本文写作的目的、涉及范围、相关领域的前人研究成果，研究设想、理论意义和实际价值、创新性。
The object matter of the foreword part is to describe the aim of this article, its research area and expectation, and its value both in practice and theory.
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