Through the National Geographic website we'll provide information, interactive tools, and success stories.

通过国家地理网站，我们提供信息、互动工具以及成功故事。

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Using Geographic Information System(GIS), the change of landscape pattern in Zhangjiajie National Forest Park during 1990—2000 was studied.

利用地理信息系统（GIS）技术，研究1990—2000年张家界国家森林公园景观格局的变化。

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Using Geographic Information System(GIS), the change of landscape pattern in Zhangjiajie National Forest Park during 1990—2000 was studied.

利用地理信息系统（GIS）技术，研究1990—2000年张家界国家森林公园景观格局的变化。

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