从区域旅游系统理论和区域空间结构理论两个方面阐述了本文研究的理论依据，使其研究建立在坚实的理论基础之上。
It involved the theories of regional tourism system and those of regional space structure, firmly basing the study on these theories.
可以认为，正确协调空间与区域的关系是区域空间结构研究的基础性理论问题。
We think that the basic theoretical problem of the research on regional spatial structure is harmonizing the relation between space and region correctly.
流域空间结构研究是空间结构理论研究的深化，是基于具体区域类型的空间结构理论研究尝试。
Valley spatial structure study is beneficial for the further development of spatial structure theories based on the concrete region type.
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