Results Mental development index(MDI) and physical development index(PDI) in early interventional group were significant higher than those in group 2(P<0.05, < 0.001).
结果干预组智力及精神运动发育指数明显高于非干预组（P<0.05，<0.001），而与正常对照组比较无明显差异（P>0.05）；
The development state of social physical exercise should be an important index in measuring the popularization of lifelong physical exercise and the social value of school physical education.
社会体育活动的开展状态应是衡量终身体育活动推广程度和学校体育活动社会价值的重要指标。
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