青藏高原区旅游廊道识别与评价
叶随, 席建超

Identification and evaluation of tourism corridor:A case study of Qinghai-Tibet Plateau
YE Sui, XI Jianchao
图4 青藏高原“旅游交通”网络构成
Fig. 4 "Tourism transportation" network composition in the Qinghai-Tibet Plateau