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随着我国经济建设的飞速发展,城市现代化步伐的加快,绿化美化建设作为生态城市建设的重要组成部分得到迅猛发展。我国首都北京全力建设以绿化林业为主体国土生态安全体系和生态文明社会,基本形成了山区、平原、城市绿化隔离地区三道绿色生态屏障,城市森林绿地不断增加。到2002?
With the rapid development of China’s economic construction and the acceleration of urban modernization, the construction of afforestation and beautification has developed rapidly as an important part of the construction of ecological cities. Beijing, the capital of our country, is fully committed to building a national ecological security system and a civilized society featuring afforestation and forestry. Three green ecological barriers have basically been formed in the afforestation and isolation areas in mountainous areas, plains and cities, and urban forest and green areas have been continuously increased. To 2002?