美国荒野风景河流的空间分布特征及其对中国的启示 |
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李鹏, 赵敏, 艾伦·沃森, 杨鹏, 余丹 | ||||||||||||||||||
Spatial characteristics of the national wild and scenic rivers system in the United States and its enlightenment to China |
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LI Peng, ZHAO Min, Alan Watson, YANG Peng, YU Dan | ||||||||||||||||||
表2 不同阶段NWSR发展数量及重点区域 |
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Tab. 2 The number of NWSR of different periods in key regions |
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