“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。
随便看	regression hyperplane Regression Hypothesis Regression Learning regression line regression matrix regression method of growth curve regression model regression model with restricted condition regression of fluctuation regression of galaxy regression of nodes regression of the node regression parameter regression period regression plane regression region regression selection model regression spectrum regression spline regression sum of squares regression surface regression testing regression to the mean regression treatment regression tree

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