论文分为引言、主体部分和结语三大部分，其中主体部分分四个方面展开论述。

This thesis is divided into three parts: introduction, body and conclusion. The body part includes four parts.

youdao

论文分为引言、主体部分和结语三大部分，其中主体部分分四个方面展开论述。

This thesis is divided into three parts: introduction, body and conclusion. The body part includes four parts.

youdao