运用文献资料、问卷调查、数理统计分析等多种方法，对中学生业余足球运动员成长影响因子进行分析。

Using the social research method, the author makes an investigation on the factors which influence the soccer training participation of middle-school students.

youdao

运用文献资料、问卷调查、数理统计分析等多种方法，对中学生业余足球运动员成长影响因子进行分析。

Using the social research method, the author makes an investigation on the factors which influence the soccer training participation of middle-school students.

youdao