Root apex position根尖位置
Root Segment Position根段部位
arc root position电弧弧根位置
crown and root position冠根位置
root position of a triad三和弦基础音位
position root-mean-square error[电子] 定位均方根误差
N（名词） the vertical distribution of the written notes of a chord in which the root of the chord is in the bass 基础音位 [music]