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死亡率
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Encyclopedia
医学
人口统计指标
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Mortality rate
死亡率
测量某地某年居民总死亡水平的指标。又称粗死亡率。
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种群死亡率
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mortality
死亡率
一个种群在单位时间死亡个体占种群大小的比例。
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Mathematics
death rate
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