“obstetric ultrasonography”的概念、定义、翻译、参考文献-科学参考

单词	obstetric ultrasonography
释义	obstetric ultrasonography Encyclopedia 医学〔产科影像学检查〕释 obstetric ultrasonography产科超声检查运用超声技术，在早、中、晚期妊娠对母体和胎儿进行的检查。
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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。