adj.聽覺的；聲學(xué)的；音響學(xué)的
An acoustical instrument consisting of a sounding box with one string and a movable bridge, used to study musical tones. 測弦器一種由一個帶有一根弦和可移動琴馬的共鳴箱組成的不用電傳音的樂器，用于細(xì)察音調(diào)
adv.聽覺上地；聲學(xué)上地
