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根据关中地区高速公路绿化现状调查，分析其特点和存在问题，提出对该地区高速公路绿化建设的设想和建议。
Based on the investigation of the afforestation status of freeway in Guanzhong area, this paper analyzes its characteristics and existing problems and puts forward some proposals and suggestions on afforestation of expressway in this area.