生命登记系统存在的薄弱环节，尤其是在死产发生最高的地区，使数据的可用性受到限制，同时也阻碍了对精确估值的计算。

Weak vital registration systems, especially in the regions where most stillbirths occur, limit the availability of data and hamper the calculation of precise estimates.

youdao

生命登记系统存在的薄弱环节，尤其是在死产发生最高的地区，使数据的可用性受到限制，同时也阻碍了对精确估值的计算。

Weak vital registration systems, especially in the regions where most stillbirths occur, limit the availability of data and hamper the calculation of precise estimates.

youdao