“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	National Theatre of Scotland national timber security base National Time and Frequency Metrology Center national time scale primary standard National Time Service Center. CAS National traditional sports National Training Course for Audio-visual Education Personnel national training team National Transcotinental Railway national treasury behavior national treatment clause in investment agreements national treatment in GATS national treatment principle in GATT national tree national unified entrance examination national unified examination for admissions to general universities and colleges national union catalog National Union for the Total Independence of Angola National Unionist Party National Union of Popular Forces National United Farmers of Canada national united front National Unity Committee national university corporatization National University Games of the People’s Republic of China

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。