【多选题】影响旅游产业地区结构的主要因素包括( ) The main factors that influence the regional structure of tourism industry include ( )
A.
旅游资源空间分布 the spatial distribution of tourism resources
B.
旅游需求的空间分布 the spatial distribution of tourism demand
C.
旅游设施的空间分布 the spatial distribution of tourism facilities
D.
经济发展水平的空间差异 the spatical difference of the level of economy development