名词
中文翻译：新生儿死亡率
同义词：
["新生婴儿死亡率，出生时死亡比率例句：1. The neonatal mortality rate is a key indicator of a country's health system.（新生儿死亡率是衡量一个国家卫生系统的关键指标。）"]
例句：
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1. The neonatal mortality rate is a key indicator of a country's health system.
新生儿死亡率是衡量一个国家卫生系统的关键指标。
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2. The government has been working hard to reduce the neonatal mortality rate.
政府一直在努力降低新生儿死亡率。
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3.The study found that the neonatal mortality rate had decreased significantly in recent years.
研究发现，近年来新生儿死亡率显著下降。