... 全国人口健康调查 National Population Health Survey ; NPHS 人口健康素质 Population physical constitution 全国人口健康的调查 NPHS ...
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遗传病是对人类健康危害极大的一种疾病，它严重影响人口素质。
Hereditary disease is a kind of disease that is greatly harmful to human health. It affects severely population quality.
为控制人口数量，提高人口素质，优生也成为环境与健康研究的主要内容。
Aqristogensis has become main content of enviroment and health study to control population and raise quality in the future, even is a big problem concerning human prospects .
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