初生儿 meaning in English

neonate
newborn

The clinical observation of regulation on neonate ' s temperature by radiation bed ' s servo mechanism
利用辐射床的伺服机制调节初生儿体温的临床观察
The average life expectance of chinese people , the death rate of infants and childbirth death rate has approached the world advanced levels
中国人民的平均寿命，婴儿死亡率和初生儿死亡率都已接近当今世界水平。