我们对云南体育进修学院的1984～1989年入学的六个年级的大专班,中专班及干部中专班,共377名14～24岁的学生(男生274名,女生103人),在每年九月份入学时,进行一天两次的身高、体重测量,上午在6∶30～7∶30,下午在21∶30～22∶30,由校医亲自测量,地点 We have a total of 377 14 to 24 year-old students (274 boys and 103 girls) from junior college, secondary specialized school and cadre middle school which enroll in Yunnan Institute of Physical Education and Training from 1984 to 1989. Each year, September admission, twice a day for height, weight measurement, morning 6:30 ~ 7:30, 21:30 ~ 22:30 in the afternoon, personally measured by the school doctor, location