“face presentation”的概念、定义、翻译、参考文献-科学参考

单词	face presentation
释义	face presentation Encyclopedia 医学胎位异常释 face presentation面先露胎头极度仰伸，使枕部靠近胎背，以胎儿下颏骨作为先露指示点时的胎先露。
随便看	down mattres down pillow downpour down-punching type down quark downsampling downshift down shot downsized engine Downsizing downsizing downslope wind Down's syndrome downstep downstream downstream back downstream fish passage facilities downstream processing downstream sequence Down the Mountain downthrust down time Downton Abbey Downtown Pittsburgh downward

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。