“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	restricting restriction restriction endonuclease restriction enzyme restriction fragment length polymorphism restriction fragment length polymorphism，RFLP restriction fragments length polymorphism restriction homomorphism restriction landmark genome scanning restriction map restriction mapping restriction modification system，RM system restriction of a connection restriction of a distribution restriction of a function restriction of a mapping restriction of a measure restriction of an operator restriction of a representation restriction of a structure restriction of measure u on set E restriction of measure μ on set E restriction of obstacle around airport restriction of scalars restriction of trademark right

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