Papa Westray has a population of just 70 and no secondary school.
帕帕·韦斯·特雷岛人口只有70，岛上没有中学。
This is the website for School of Population Health, the University of Queensland.
这是昆士兰大学公共健康学院的网站。
School-age children represent 26% of Africa's population where 94% of children go to school.
在非洲，学龄儿童占到人口的26%，儿童入学率为94%。
Middle school students sample included two population, superior grade and inferior grade.
其中，初中生群体又包括快班和慢班两个小的被试群体。
Middle school students sample included two population, superior grade and inferior grade.
其中，初中生群体又包括快班和慢班两个小的被试群体。
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