参加课余体育活动的主要目的是增强体质和消遣娱乐；
The main purpose is to build up their physiques and entertainment.
主要论述本课题的研究目的、意义及目前国内外对课余体育活动现状的研究。
Chapter I mainly tells the aim and meaning of the topic and the present research evolution about the spare-time sports activity at home and abroad.
目前，许多学者对大学生课余体育活动现状、太极拳健身原理和太极拳教学等方面进行了研究。
At present, many scholars to university student after-school aspects and so on sports present situation, Taijiquan fitness principle and Taijiquan teaching have conducted the research.
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