Methods Using the knowledge of the clinical epidemiology and the quantitative score technique the data distribution of demography and its appearance characteristic were explored.
借助临床流行病学和量表学的研究方法，探索人口学资料分布情况及其表现特点。
By using the method of investigation, the research analyzed the burnout of male U-17 soccer athletes in China and the relationship between burnout and demography variable.
采用开放式问卷，对我国U-17男子足球运动员的运动倦怠及其与人口学变量的关系进行研究。
By using the method of investigation, the research analyzed the burnout of male U-17 soccer athletes in China and the relationship between burnout and demography variable.
采用开放式问卷，对我国U-17男子足球运动员的运动倦怠及其与人口学变量的关系进行研究。
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