average mortality rate 平均死亡率
The average yearly decline of stillbirths over this period was 1.1%, slower than the decline for child or maternal mortality.
期间的年平均死产下降率为1.1%,比儿童或产妇死亡率的下降速度要慢。
The overall mortality rate three years after the injury was 16%, or about one in six people, compared to average expected mortality in the general population of 5.9%, according to the study.
根据研究,受创三年后的总死亡率为16%,或大约六分之一,比照起来一般人口集中地区的平均预期死亡率为5.9%。
American infant mortality was 6.7 per 1,000 births in 2007, against an OECD average (excluding Mexico and Turkey) of 4.0.
美国的新生儿死亡率在2007年为千分之6.7,而经济合作与发展组织国家(不包括墨西哥与土耳其)均值则为千分之4.0。
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