采用文献资料调研、统计和个案研究法对第17届世界杯41场比赛的时间进行研究。
Through using the method of literature, statistics and case analysis, this paper studies the match time of 41 matches in 17th world football cup.
运用录像观察统计法、文献资料法、数理统计法、对比分析法，对第18届世界杯64场比赛的147个进球的进球特征进行分类统计分析。
Analyse the characteristics of the 147 goals in the 64 matches of the 18th World Cup with the video, document and data.
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