The nation's infant mortality rate has reached a record low. 该国的婴儿死亡率(IMR)已降至历史最低水平。
The United States ranks 20th in its infant mortality rate. 美国在婴儿死亡率(IMR)方面排名第20。
The city's most shocking statistic is its infant mortality rate. 这城市最令人震惊的统计数字是其婴儿死亡率(IMR)。
Our infant mortality rate is a low four per1000 live births. 香港的婴儿夭折率极低,一千名中只有四名;
The gap between the two countries is growing – rather than diminishing – in terms of values of most social indicators of living standards, such as life expectancy, infant mortality rate, mean years of schooling and the coverage of immunisation. 在多数衡量生活水平的社会指标方面,例如寿命、婴儿死亡率(IMR)、受教育平均年限和免疫接种率,两国的差距正在拉大,而非缩小。