The Spatial Model of Land Utilization in a Valley-basin City -- A Case Study of Lanzhou, a Typical Valley-basin City in the Northwestern China是什么意思_The Spatial Model of Land Utilization in a Valley-basin City -- A Case Study of Lanzhou, a Typical Valley-basin City in the Northwestern China在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句