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	tonalitic tonality tonally to name a few tondo tone Tone tone arm toneburst tone cluster tone colour toned tone-deaf tone-deafness tone dialling tone group tone language toneless tonelessly toneme tonemic tone-on-tone tonepad tone poem toner

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