基于对相应结构和建设要素的探讨，提出了城市公共安全系统优化和完善途径；
The optimization approach of the city public safety system is put forward base on the investigation of corresponding structure and factors.
在风景园林建设要素中，植物和植物景观是与二氧化碳排放和吸收都密切相关的核心要素。
In the elements of landscape architecture construction, plant and plant landscape are the core elements that are closely related to the emission and absorption of carbon dioxide.
围绕提高旅游要素的聚集度，加快建设旅游综合体。
Gather around what raise travel element degree, accelerate construction travel synthesis.
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