By means of expert questionnaire, expert interview and site observation, this paper makes a theoretical study on the position capacity-cultivation of volleyball libero players.
本研究通过问卷调查、专家访谈、实地观察等方法，对自由防守队员专位能力的培养理论进行了探索。
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。
This article mainly uses literature reference and material method, expert questionnaire method, questionnaire survey method, data statistics method to carry on the investigation and the research.
本文主要采用了文献资料法、专家访谈法、问卷调查法、数据统计等方法来进行调查与研究。
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