“placental retention”的概念、定义、翻译、参考文献-科学参考

单词	placental retention
释义	placental retention Encyclopedia 农学繁殖障碍释 placental retention胎盘滞留母畜娩出胎儿后，胎盘在第三产程的生理时限内未能排出的现象。又称胎衣不下。
随便看	rainbow holography rainbow integral rainbow model rainbow refractometry Rainbow Skirt and Feather Garment Song rainbow subgraph rainbow term rainbow trout rain coat rain cover beam raindrop size distribution raindrop spectrometer raindrop structure raindrop terminal velocity Rainer Weiss Rainer Werner Fassbinder rainfall rainfall and runoff erosivity rainfall catchment and supplementary irrigation rainfall erosivity rainfall-runoff forecasting rainfall-runoff relationship Rainforest rain forest Rainforests of the Atsinanana

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