By means of literature, observation statistics and comparative analysis, the paper studies the players fouls at the final stage at 2006 Football World Cup and 2002 Football World Cup.

采用文献资料法、观察统计法、对比分析法，对2006年与2002年世界杯足球赛决赛阶段运动员犯规情况进行统计分析。

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There are some main research methods such as documents, investigations, teaching experiment, statistics and comparative analyses and so on.

主要的研究方法有文献资料法、问卷调查法、教学实验法、数理统计法、对比分析法等。

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Comparative analyses have been made through experiment, investigation and statistics to explore the feasibility of student participation in evaluation of accomplishment in physical education.

运用实验、调查、统计等研究方法，探讨学生参与体育考试成绩评定的可行性。

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Comparative wine production statistics for China are a bit problematic because much of the wine produced is not pure grape wine but may be mixed-fruit wine, and the rules on what can be labeled Chinese wine are quite, er, flexible.

FORBES: Magazine Article