However, urban forest and green land can improve and decrease the urban ecological and environmental problems brought by the urbanization.
而城市森林绿地能够改善和缓解城市化引起的城市生态环境问题。
Fortunately, the rapid development of ecology and relevant ecological consciousness provides us with a powerful tool to study and thoroughly solve urban problems.
生态学的长足发展和生态学思维方式的出现，为研究和彻底解决城市问题提供了有力的工具。
Moreover all index systems and methods for urban ecological environment are studied. At the same time, the existing problems are indicated and the Suggestions are put forward.
对目前国内外城市生态环境评价指标体系和方法进行了分析和研究，提出了其中存在的问题和建议。
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