Methods Status survey, expert consultation, case review, on-spot examination, and questionnaire were employed to determine the standard values in the present study.
方法采用现况调查与专家咨询、病历回顾、现场考核、问卷调查等方法进行指标标准值的确定。
The research approach: documents and materials, three-dimensional force-testing, planar shooting on spot, film analysis, datum statistics and expert consultation.
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。
Professional consultation and health advice on the spot.
现场专家咨询，健康指导。
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