通过对黑石河峡谷遗产廊道来研究美国国家遗产廊道，总结美国对于这种新型遗产保护的做法。
National heritage corridors of USA are studied from an example as blackstone river valley heritage corridor and actions how American people to do with corridors are summarized.
遗产廊道具有自然和历史文化的特性，其存在的形式和保护手段与城市绿地系统有着必然的联系。
Heritage Corridor has the natural, cultural and historical characteristics, and its existence form and protection means have inevitable link with urban green space systems.
本文还以丝绸之路为例，对廊道遗产旅游资源保护性开发进行具体分析。
This paper takes the Silk Road as an example to analyze the protective development of corridor heritage tourism resources.
本文还以丝绸之路为例，对廊道遗产旅游资源保护性开发进行具体分析。
This paper takes the Silk Road as an example to analyze the protective development of corridor heritage tourism resources.
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