1、According to research and analysis, neonatal mortality rate as the increase in weight reduction.
據(jù)研究分析，新生兒的死亡率隨著體重的增加而減少。

2、The neonatal mortality was positive correlated with the altitude.
海拔與新生兒死亡率為正相關(guān)。

3、The key region of reduce neonatal mortality rate with asphyxia is rural area.
農(nóng)村是降低新生兒窒息死亡的關(guān)鍵地區(qū)。