While the population of our country is increasing, to control the number of population and implement high quality procreation is very important.
随着我国人口的不断增长，有效控制人口数量，实行优生优育显得格外重要。
While the population of our country is increasing, to control the number of population and implement high quality procreation is very important.
随着我国人口的不断增长，有效控制人口数量，实行优生优育显得格外重要。
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