The wooden structure of wind and rain bridges in Zi Jiang River Basin of Hunan province is a complex sys-tem.It is of great significance to the exploration of its origin and evolution path.This paper first discriminates and inter-prets the wooden structure types of wind...MORE The wooden structure of wind and rain bridges in Zi Jiang River Basin of Hunan province is a complex sys-tem.It is of great significance to the exploration of its origin and evolution path.This paper first discriminates and inter-prets the wooden structure types of wind and rain bridges,and establishes their structural t...