根据三峡库区典型滑坡火石滩滑坡的结构及变形特征，分析滑坡形成的原因。
Based on the structure and deformation characteristics of the Huoshitan landslide, the causes of landslide formation were analyzed.
采用文献法、调查法、数理统计法、分析与综合法，对我国男子链球成绩滑坡的原因进行了研究。
Analysis was made on the reasons of the declining of Chinese men's hammer throw performance with methods of literature study, investigation and mathematical statistics.
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