“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 Encyclopedia 工学粉末冶金检测技术释 relative density相对密度粉末冶金材料的实测密度（）与理论密度（s）之比，即/s。
随便看	signalling alphabet signal loss of lock signal medium signal network model signal-noise ratio signal/noise ratio signal orthogonal transform signal output signal parameter estimation signal parameter measurement signal peptidase signal peptide signal peptide; leader peptide signal peptide prediction signal phase spectrum signal power spectrum estimation signal process signal processing signal-processing antenna signal recognition particle signal reconstruction signal resolution signal scaffold protein signal screen signal sequence

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。