chordal centrum

例句：

1. 1. The chordal centrum is the point where the strings of a guitar meet.
   吉他弦的弦心点是弦与弦之间的交点。
2. 2. In music theory, the chordal centrum is the starting point for creating chords.
   在音乐理论中，弦心点是创造和弦的起点。
3. 3. The chordal centrum is crucial in determining the pitch and timbre of a musical piece.
   弦心点在决定音乐作品的音高和音色方面起着至关重要的作用。