全部

1·By using the method of documentary, observation at site, expert interview, mathematical statistics, this paper studies the non-technical movement of our elite trampolinist.

采用文献资料调研、现场观察统计、专家访谈、数理统计等方法，对我国优秀蹦床运动员普遍存在的网上非技术性位移进行了研究。