兼奏on在高或低八度上重复在同一音阶上重复欧洲1617世纪音乐中的装饰性变奏乐器发音比记谱低八度的拍子节奏双拍子的二重奏的
"on" is a decorative variation instrument that repeats on the same scale in either a higher or lower octave. It is a duet in double time with a beat rhythm that is an octave lower than the notation
以上为机器翻译结果，长、整句建议使用 人工翻译 。