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婴儿死亡率 yīng ér sǐ wáng lǜ
environ. infant mortality The rate of deaths occurring in the first year of life for a given population (在一定的人口中,出生一年内的婴儿死亡的比率。)
med. infant mortality rate; infant death rate
stat. infant mortality
婴儿死亡率: 2 phrases in 2 subjects
Medical1
Reproductive biology1