名词
中文翻译：死亡率
同义词：
['death rate', 'mortality']
例句：
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1. The study found that the mortality rate among young people has been increasing.
研究发现，年轻人的死亡率正在增加。
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2. The government is trying to reduce the mortality rate of tuberculosis in the country.
政府正试图降低该国结核病的死亡率。
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3. The researchers analyzed the mortality rate of different diseases and found acorrelation between them.
研究人员分析了不同疾病的死亡率，并发现它们之间存在相关性。