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Qin opera culture has a long history in China for thousands of years. It is the ancestor of Chinese opera. However, with the development of modern technology and the rise of new media, the protection and inheritance of traditional Qin opera culture is facing a new challenge and opportunity, its costume culture is the same. This paper analyzes the style and structure of Qin opera costumes, extracts the colors of the costumes, summarizes the costume patterns, and then uses the three-dimensional (3D) virtual visualization technology to virtually restore the Qin opera costume, and innovates the Qin opera costume. In this paper, twelve sets of traditional Qin opera costumes are virtually restored, and on this basis, the digital protection and innovative design of Qin opera series costumes are carried out, and all the restored costumes are displayed digitally in an all-round way. The combination of Qin opera costume and digital protection extends the application scope of virtual visualization technology and enriches the transmission mode of Qin opera costume. This study inherits and protects the traditional Qin opera costume culture better. [ABSTRACT FROM AUTHOR]

Qin opera culture has a long history in China for thousands of years. It is the ancestor of Chinese opera. However, with the development of modern technology and the rise of new media, the protection and inheritance of traditional Qin opera culture is facing a new challenge and opportunity, its costume culture is the same. This paper analyzes the style and structure of Qin opera costumes, extracts the colors of the costumes, summarizes the costume patterns, and then uses the three-dimensional (3D) virtual visualization technology to virtually restore the Qin opera costume, and innovates the Qin opera costume. In this paper, twelve sets of traditional Qin opera costumes are virtually restored, and on this basis, the digital protection and innovative design of Qin opera series costumes are carried out, and all the restored costumes are displayed digitally in an all-round way. The combination of Qin opera costume and digital protection extends the application scope of virtual visualization technology and enriches the transmission mode of Qin opera costume. This study inherits and protects the traditional Qin opera costume culture better. [ABSTRACT FROM AUTHOR]

Herbaceous marsh is the most widely distributed type of marsh wetland ecosystem, and has important ecological functions such as water conservation, climate regulation, carbon storage and fixation, and sheltering rare species. The carbon sequestration function of herbaceous marsh plays a key role in slowing climate warming and maintaining regional environmental stability. Vegetation biomass is an important index reflecting the carbon sequestration capacity of wetlands. Investigating the biomass of marsh vegetation can provide a scientific basis for estimating the carbon storage and carbon sequestration capacity of marshes. Based on field survey data of aboveground biomass of herbaceous marsh vegetation and the distribution data set of marsh in China, we analyzed the aboveground biomass and its spatial distribution pattern of herbaceous marsh on a national scale for the first time. The results showed that in China the total area of herbaceous marsh was 9.7×104 km2, the average density of aboveground biomass of herbaceous marsh vegetation was 227.5±23.0 g C m−2 (95% confidence interval, the same below), and the total aboveground biomass was 22.2±2.2 Tg C (1 Tg=1012 g). The aboveground biomass density of herbaceous marsh vegetation is generally low in Northeast China and the Tibetan Plateau, and high in central North China and coastal regions in China. In different marsh distribution regions of China, the average biomass density of herbaceous marsh vegetation from small to large was as follows: temperate humid and semi-humid marsh region (182.3±49.3 g C m−2)