第一章主要介绍了所研究课题的背景。
In chapter one, we mainly introduce the background of the research topic.
在论文中本人先简单阐述了本课题的背景。
In the paper I briefly explained the background of this issue.
本课题的背景环境是基于GIS的智能调度系统的开发。
The background of this article is an intelligent distribution system project which is based on GIS.
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