土遗址；病害成因；自然环境区划；GIS制图分析；中国北方。

Earthen heritage sites; Causes for deterioration; Natural environment Regionalization; GIS analysis; Northern China.

youdao

土遗址；病害成因；自然环境区划；GIS制图分析；中国北方。

Earthen heritage sites; Causes for deterioration; Natural environment Regionalization; GIS analysis; Northern China.

youdao