Part 4 is the study to the regional overview. Outlines the physical geography, tourism resources, tourism industry, etc. Part 5 is applied research.

第4部分是研究区域概况，概述了四川的自然地理、旅游资源、旅游产业等。

youdao

Part 4 is the study to the regional overview. Outlines the physical geography, tourism resources, tourism industry, etc. Part 5 is applied research.

第4部分是研究区域概况，概述了四川的自然地理、旅游资源、旅游产业等。

youdao