Isbn: 9787030767042 (1 résultats)

Hardcover. Etat : New. HardCover.Pub Date:2023-11 Pages:278 Language: Chinese Publisher: Science Press The Western Silk Road mainly covers Shaanxi Province. Gansu Province. Qinghai Province. Ningxia Hui Autonomous Region. and Xinjiang Uygur Autonomous Region. with a relatively underdeveloped economy and diverse ethnic cultures. The climate is arid and semi-arid. and the contradiction between the improvement of urban living environment. energy resource utilization and ecological environment protection is very promin.…