“孕产妇死亡率”的概念、定义、翻译、参考文献-科学参考

单词	孕产妇死亡率
释义	孕产妇死亡率 Encyclopedia 医学人口统计指标释 maternal mortality ratio孕产妇死亡率某地区某年育龄妇女从妊娠期至产后42天内，由于妊娠或妊娠处理有关的原因导致的死亡人数与该地区同年出生的活产数之比，不包括意外原因死亡的孕产妇数。
随便看	singleton pattern singleton set singlet pairing single track single trailer combination vehicle single transmission line single-tree selection felling singlet state singlet state and triplet state singlet term singlet-triplet energy gap single twitch single unit recording single-unit smooth muscle single-unit tactics single user computer single-user operating system Single-use surgical gowns single-valued single-valued analytic function single valued branch single-valued branch single valued branch of multiple valued function single-valued branch of multiple-valued function single valued continuous branch

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。