From the theoretic perspective of the urban theology,the paper analyzes the stauts of the public space of urban downtowns in China, and points out respective ecological optimal strategies from the macroscopic,middle and microscopic views,so as to explore the ecological design for urban downtowns,so as to improve their ecological environment.%从城市生态学的理论视角,对我国城市中心区公共空间的现状问题作了分析,并从宏观、中观、微观三方面提出了相应的生态优化策略,以期对城市中心区公共空间生态设计作出初步探讨,改善中心区的生态环境。
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