论文首先阐述了选题背景与研究的目的和意义。
The paper first elaborates the goal and significance of background and research.
引言与文献综述部分主要阐述选题的缘由、目的及意义。
The introduction and review focuses on the reason, purpose and meaning of this paper.
引言与文献综述部分主要阐述选题的缘由、目的及意义。
The introduction and review focuses on the reason, purpose and meaning of this paper.
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