第二章为城市开敞空间的相关基础研究。
The second chapter for urban open space of relevant basic research.
城市开敞空间是指城市边界内的非建筑用地空间，主体是绿地系统。
What the open space of city meant inbounds by the city is not the building site space, the subject is a green land system.
城市绿色开敞空间对改善城市生态环境和提高居民的户外生活品质起着举足轻重的作用。
The urban Green Open Space plays a significant role in improving urban ecological environment and raising the quality of their inhabitant outdoor life.
公共开敞空间，作为一种城市改造并使在城市中生活、工作的人们享受更多乐趣的手段，变得非常重要。
Public open space, as a means of achieving city regeneration and encouraging people to live, work and enjoy the urban life, is very important.
在研究开敞空间的理论方面以城市地理学和景观生态学相结合是一个新的启迪。
In the research on the theory of open space in urban geography and landscape ecology is a combination of new enlightenment.
课题研究力图运用现代城市设计理论、方法，对城市门户开敞空间的设计原则与方法作出建设性的思考。
The study tries to apply modern city design theory and means to the open space at the city gate, and carries out constrictive consideration on its design principles and means.
商业步行街区与广场构成的开敞空间体系是分析评判城市空间环境的主要基点和单元。
The open space system, which is composed of pedestrian mall and square, is the fundamental elements to analyse and evaluate the urban space environment.
具有特色鲜明、渗透性强的空间特质，是自然生态系统与人工建设系统交融的城市公共开敞空间。
It's features strong space distinctiveness and penetrative ness. It is an urban public openness to harmonize natural ecological system and that artificial construction.
开放性绿地为城市公共开敞空间提供绿色走廊，形成城市中的森林。
The design emphasis on the urban development zones Park District Park business center is to be fully green, with green space for urban public frog colored corridor forming city forests.
保护大城市边缘区及其附近的开敞空间及其他资源；
Protecting the edge areas and the open spaces of the big cities;
保护大城市边缘区及其附近的开敞空间及其他资源；
Protecting the edge areas and the open spaces of the big cities;
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