Different intensity affects liver function, therefore adopts a certain tactics and means to reinforce metabolic function of liver and to avoid injury of exercise on liver.

不同的运动强度对肝功能产生不同的影响，因而要采取一定的策略和手段加强肝脏的代谢功能，防止运动对肝脏的损伤。

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There is significant correlation between physical and mental awareness and physical exercise effect, but exercise time, duration and intensity have different significant correlation.

各种主要慢性病及人们对自身身体和心理感觉的认识与体育锻炼的综合效果有显著相关，但与锻炼次数、时间、强度有不同相关特征。

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AIM: To study the effects of different physical exercise item, intensity and time on anxiety, depression and self concept of college students.

目的：研究不同锻炼项目、强度和时间对大学生焦虑、抑郁及自我概念的影响。

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