The classification of physiographic tourism resources and the process and method of resource investigation are very relevant to geomorphology, geology and natural geography.

地文旅游资源类型的划分，资源调查程序和方法的建立，均与地貌学、地质学、自然地理学有着密切的关系。

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The arrangements of the wall in past dynasties are based on physiographic conditions, and are Just Consistent with the demarcation line between semi-humid and arid climates in the country.

历代长城的布设都是以自然地理环境为基础，其走向与我国半湿润与干旱气候分界线基本一致。

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There are at least nine physiographic cycles in the middle reaches of the Yellow River during the Late Cenozoic Era.

在晚新生代黄河中游至少存在九个地文期旋回。

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