?半数预期寿命
... 出生时预期寿命 Life expectancy at birth 半数预期寿命 median life expectancy 预期寿命损失 loss of life expectancy ...
The German system was created at a time when the median life expectancy was roughly 42 years.
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By the 1930s, the median life expectancy had increased to about 59 years.
The median life expectancy of someone diagnosed with ALS is 39 months, and only 4% survive 10 years.
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