10. Three-Way Changes: Qu, Shang, Yang-Ping
10. 三方变化：去，上，阳平
Chung-yu. Chen 陈重瑜

Abstract 摘要
In this chapter, 'three-way changes' refer to changes between Qu, Shang, Yang-Ping, with and without involving an earlier Ru. Discussion will be focused on changes without involving an earlier Ru for a statistical analysis.