Based on polygon convex hull method, the chord line is extracted.

采用了基于多边形凸包的方法提取弦线。

youdao

Guitar tablature arrangements of every song from the album, complete with melody line, lyrics and chord symbols.

吉他琴谱安排每首歌来自专辑，完整的旋律线，歌词与和弦的符号。

youdao

He used the higher notes of a chord as a melody line and made other changes.

他运用更高音调的和弦音作为旋律线并做了其它的修改。

youdao

He used the higher notes of a chord as a melody line and made other changes.

VOA: special.2009.05.03

In the third movement, for example, the setting is rather odd, with the two top parts playing repeated notes in a slow tempo, whereas the bass line and the chord progression are slow with very little motion.

NPR: Live in Studio 4A: Parnassus Avenue Baroque

When an actor speaks a line that strikes a chord with black theatergoers, many of them will say "Uh-HUH!"

WSJ: Theatergoers: Can I Get an Amen? | Sightings by Terry Teachout

Harmonic improvisation takes each chord change as it comes and creates a new melodic line from the notes within it.

FORBES: The Shape of Things to Come