crown-rump length
英 [kraʊn rʌmp leŋθ]
美 [kraʊn rʌmp leŋθ]
（胎畜）体长，头尾长度
双语例句
- The Relationship between Pregnancy Sac Size 、 Crown-rump Length 、 Serum β-hCG Level and Gestational Age in Early Pregnancy
孕早期孕囊大小及头臀长、血β-hCG水平与孕龄的关系 - The crown-rump length and appendix length were measured in 138 normal human fetal cadavers aged 12 to 31 weeks. A positive correlation was found between the two lengths.
本文对138例12～31周正常胎儿的顶臀长及阑尾长度进行测量，发现二者间存在着正相关关系。 - Statistical Analysis of the Correlation between the Human Fetal Crown-Rump Length and Appendix Length
胎儿阑尾长度与顶臀长关系的统计分析 - On the basis of the crown-rump length measurement, 36% women in this group had their gestational age adjusted.
通过胎儿顶臀径测定，有36%需修正孕龄。 - In addition, administration of folic acid increased fetal body weight and crown-rump length of the DM group.
此外，叶酸还能改善糖尿病组孕鼠胚胎的体重和顶臀长。