研究过程中，本文采用了文献资料法、专家访谈法、录像观察分析法、数理统计法、逻辑分析法等研究方法。
Course of the study, this article USES literature, expert questionnaire survey method, video observation analysis, mathematical statistics, logic, analysis and other research methods.
研究方法：文献资料法、三维测力台测试法、摄像机现场拍摄法、录像解析法、数理统计法以及专家咨询法。
The research approach: documents and materials, three-dimensional force-testing, planar shooting on spot, film analysis, datum statistics and expert consultation.
本文采用的研究方法有：文献资料法、录像观察法、专家调查法、对比分析法、数理统计法。
In this paper, the research's methods are: literature, video observation, experts investigation, comparative analysis, mathematical statistics.
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