• 回波箱

eChord嵌套式Chordechovi.发出回声；回响vt.重复；模仿；附和n.回声；重复；共鸣Echo.n.[希神]山林女神（失恋于那喀索斯；其哀声留于山间成为回声）echo detection回波检测echo-complexn.回声群echo-chamber回声室, 反响室, 混响室echo satellite回波卫星echo resonator回波谐振器echoic response回声反应echo modulation回波调制echo-telegram音响电报echoencephalogy脑回声学echo resonator'清晰图象