As a kind of living cultural heritage,traditional dwellings of ethnic minorities require protection and transformation in both time and space dimensions.Taking the Miao traditional dwellings in Xiangxi as an example and based on semiotic theory,its symbolic identificati...MORE As a kind of living cultural heritage,traditional dwellings of ethnic minorities require protection and transformation in both time and space dimensions.Taking the Miao traditional dwellings in Xiangxi as an example and based on semiotic theory,its symbolic identification system can be constructed from three levels:disco...