“maternal mortality ratio”的概念、定义、翻译、参考文献-科学参考

单词	maternal mortality ratio
释义	maternal mortality ratio 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	Yanshan Si Yanshan Temple Yanshan Xian Yan Shengsun Yan Shifan Yan Shishan Yanshi Shi Yanshou Yan Shouping Yanshou Xian Yan Shu Yan Shuilong Yanshui Pavilion Yan Shui San Ren Yan Song Yan State Yan's Translation Series of Famous Works Yan Su Yansuiguo Yantai Art Museum Yantai floss embroidery Yantai Fushan District Wang Yirong Memorial Hall Yantai Gang Yantai Institute of Coastal Zone Research,Chinese Academy of Sciences Yantai Institute of Coastal Zone Research，Chinese Academy of Sciences

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