名词短语
中文翻译：死亡率
同义词：
['mortality rate', 'mortality']
例句：
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1. The studyfound that the rate of death among youngpeople has increased significantly.
研究发现年轻人的死亡率显著增加。
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2. The government is working to reducethe rate of death from heart disease.
政府正在努力降低心脏病导致的死亡率。
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3. The researcher analyzed the data to determine the rateof death in different age groups.
研究者分析了数据以确定不同年龄段的死亡率。