“vacuum-extraction of the fetus head for midwifery”的概念、定义、翻译、参考文献-科学参考

单词	vacuum-extraction of the fetus head for midwifery
释义	vacuum-extraction of the fetus head for midwifery Encyclopedia 医学助产释 vacuum-extraction of the fetus head for midwifery胎头吸引器助产使用负压吸引器吸住胎头，并通过牵引和旋转使胎头下降的一种助产方法
随便看	printing technology printing textile printing theodolite printing typeface printing viscosity index，PVI print media print of seal print quality print quality certification print server prints of Ming and Qing Dynasties prints of Song Dynasty prints of twelve acts of opera on lanterns preserved in Suzhou City print-through print workflow prion prion disease prion protein prions infection prior prior baseline prior bound prior density prior distribution prior estimate

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。