This article, from the perspectives of the function and form, ferrets out the rise and decline of the trisyllabic verse in Han and Wei dynasties and the close relation to the heptasyllabic verse. 三言在汉魏兴衰的原因可以归结为表现功能和体式原理两方面，并且与七言体有密切的关系。
The Development of Han-Wei Trisyllabic Verses and Their Relation to Heptasyllabic Verses 论汉魏三言体的发展及其与七言的关系
