“群频率”的概念、定义、翻译、参考文献-科学参考

单词	群频率
释义	群频率 group frequency
随便看	column casing column chromatography column collimator column constraint column control system column count column counter column crane column crystal column decoder column density column development chromatography column diagram column dominance column dried column drier column drill column effect column efficiency column elavator column electrophoresis column foot column format column formula column fractionation

科学参考收录了1248194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。