文章紧紧围绕主题，共分四个部分加以阐述。
The thesis discourses upon the theme firmly with four parts.
紧紧围绕着生存的主题，我们将一种极度程序化的表现方式变成了一种电影的美学标准。
We went from a more heavily stylized approach, to a grounded filmic aesthetic. The message was always about survival.
作者结合元宝山三期工程四号机组建设的实践，紧紧围绕项目计划这一主题，研究基于不确定性分析的项目计划过程。
The author, centering on the topic of project planning, analyzes the project planning process combined with the practice of the Yuanbaoshan third engineering fourth machine group construction project.
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