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地方性氟中毒病区居民的死亡率、寿命损失率都比非氟病区高;各年龄组的尚存人数、尚存率、平均期望寿命都低于非病区。
The mortality rate and life loss rate of residents in endemic fluorosis area were higher than those in non-fluorosis area. The surviving population, surviving rate and average life expectancy in each age group were lower than those in non-disease area.