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| Chinese | English |
| 婴儿死亡率 | 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。) |
| 死亡率 | mortality The number of deaths occurring in a given population for a given period of time (给定人口的一个特定时期的死亡数量。) |