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 【物】群速
随便看	Land ho! landholder landholders landholding landholdings land-hunger land-hungry landing landing area landing beam landing card landing cards landing circle landing craft landing crafts landing field landing fields landing flap landing flaps landing force landing forces landing gear landing gears landing ground landing light

英汉双解词典包含548777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。