By using the methods of documentary, experimental research and mathematical statistics, the supplementary apparatus was designed for acrobatics front handspring.
采用文献资料、实验研究、数理统计等方法，研究设计技巧前手翻辅助练习器。
By using the methods of documentary, experimental research and mathematical statistics, the supplementary apparatus was designed for acrobatics front handspring.
采用文献资料、实验研究、数理统计等方法，研究设计技巧前手翻辅助练习器。
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