infant mortality rate

The United States ranks 20th in its infant mortality rate.

美国在婴儿死亡率方面排名第20。

The proletarian infant mortality rate has dropped by 12 percent.

无产阶级的婴儿死亡率下降了12个百分点.

The nation's infant mortality rate has reached a record low.

该国的婴儿死亡率已降至历史最低水平。

The results show that the proportion of the agriculture-related population, the possession rate of the fixed telephone and the childbirth rate in hospital are most significant factors remarkably impacting the infant mortality rate in China, while other factors only have impacts in some areas.

分析结果表明，只有农业人口占总人口的比例、固定电话拥有率和住院分娩率对中国各地区的婴儿死亡率均有显著影响，其他影响因素则只对部分地区的婴儿死亡率有显著影响。

the infant mortality rate (= the number of babies that die at or just after birth)

婴儿死亡率