China's child population makes up one-fifth of the world's total.

中国儿童占世界占世界总数的五分之一。

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The number of grammer schools in the country could accommodate at most approximately 25 percent of the total child population.

全国中学数量至多只能容纳儿童总数的大约25%。

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For historical and demographic reasons, the child population in Russia decreased by approximately 12 million over the last 13 years.

基于历史和人口的原因，俄罗斯青少年人口数量在过去13年里下降了1200万左右，平均每年100万人。

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The changes are going to be felt first in hospitals, as well as schools, where an increasingly diverse child population has to be absorbed.

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The level of interest, in fact, reflects a quality Tom James refers to as an Extremely Intense Interest, or EII, which occurs in 30% of the child population.

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The country's success in reducing child mortality and population growth can be models for other countries.

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