Roman numerals do not form a part of the normal figured bass, but may be used in analysis to indicate the root of a chord.
罗马数字通常不是数字低音的组成部分，但可用来分析和弦的根音。
The root of a chord is the note on which the original chord is built.
和弦的根音是原和弦建立在其上的音。
The root of a chord is the note on which the original chord is built.
和弦的根音是原和弦建立在其上的音。
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