“Relative density”的概念、定义、翻译、参考文献-科学参考

单词	Relative density
释义	Relative density The ratio of density of a substance to the density of water at 4 .
随便看	prenatal prescription Pressure Pressure pressure-flow hypothesis presymptomatic testing preterm birth pretracheal space Prevacid prevascular space prevention preventive preventive mastectomy Prevnar Prevnar 13 prexasertib prey prezygotic barrier Prialt Prialt Prilosec PRIMA-1 analogue APR-246 primary cancer primary care primary care doctor

科学参考收录了15208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。