本文研究内容主要包括以下几个方面
The research contents of this article mainly include the following aspects
以上为机器翻译结果，长、整句建议使用 人工翻译 。
具体来讲，本文的内容和成果主要包括以下几个方面：(1)研究了反向响应过程的振铃问题。
Specifically, the main achievement of this research is as follows: 1 the ringing problem of the reverse process is analyzed.
本文的研究内容主要包括以下几个方面。
The contents of this dissertation mainly include the following aspects.
本文主要研究的内容主要包括以下几个方面：（1）以我校现有的300 四辊轧机为实验基础，设计了一套七段式气动检测辊。
The thesis mostly include four sections as follow:(1)It designs a seven-piece sample of pneumatic shape measuring roll experimenting upon 300 four-roll machine.
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