“群速度”概念、定义、翻译-科学时代

单词	群速度
释义	力学词汇手册群速度 group velocity
随便看	native grassland native holding native immunity native industry native iron Native Land Settlement Act native language native language native language native language native language native language instruction native language school native lead native magnet native mercury native metal native paraffin native pasture native pasture native platinum native population native population native produce native produce

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。