Objective To investigate the effect of family background and intellectual structure on childrens academic achievement.

目的：探讨家庭背景和智力结构对儿童学业成绩的影响。

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Most of the taijiquan practicers haven't high academic background, and their occupational structure are those with regular work and working and rest on schedule.

跆拳道练习者学历结构较高，职业以大中学生和各企业、公司的白领为主；

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