名词
中文翻译：伤亡率
同义词：
['death toll', 'mortality rate', 'casualty ratio']
例句：
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1.The government has released a report on the accident's casualty rate.
政府发布了关于事故伤亡率的报告。
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2. The military is conducting a survey to determine the casualty rate in the battlefield.
军方正在进行一项调查，以确定战场上的伤亡率。
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3.The study found that the casualty rate was higher than expected.
研究发现，伤亡率高于预期。