第三章阐述了该作品的曲式结构，并结合调性特点进行详细解析，其中包括双调

The third chapter of the structure of the musical work, and the binding characteristics of tonality detailed analysis, including dual tone, blues scale, medieval modes like. The fourth chapter the author will combine their playing experience summed up the characteristics of several playing techniques, it was explained in detail in terms of portamento left hand, right hand fingering and bow and bow shock and other features.

The third chapter expounds the composition of the works, and combines the characteristics of tonal ity for detailed analysis, including double-tone, blues scale, middle-aged and ancient tone and so on. Chapter four the author will combine his own playing experience to summarize the characteristics of several playing techniques, respectively, from the left hand slip tone, fingering and right-handed bow and the characteristics of the bow and other aspects of detailed explanation.

In the third chapter, the structure of the musical form of the work is described, and the characteristics of tonality are analyzed in detail, including double tonality, blues scale, middle ancient mode, etc. In the fourth chapter, the author will sum up the characteristics of several performance techniques based on his own performance experience, and explain them in detail from the aspects of left hand glide, fingering, right hand vibration bow and bow movement.