英语词汇group velocity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	group velocity
释义	group velocity noun Physics the speed at which the energy of a wave travels 【物理】群速。
随便看	Petra Petrarch Petrarchan petrel Petri dish Petrie petrifaction petrification petrify Petrine petro- petrochemical petrochemistry petrodollar petrogenesis petrogenetic petroglyph Petrograd petrographer petrographic petrographical petrography petrol petrolatum petrol blue

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。