求翻译：在实践中，新建建筑对城市既有空间的作用主要体现在以下几个方面：第一，与城市或街区原有肌理的有机整合。城市中不同类型建筑的和谐共生，在城市形态上表现为建筑实体（实）与外部空间（虚）良好的结合关系，交通的顺畅连接、形态的有机联系是规划与设计的前提。第二，对街道空间的塑造与延续。街道空间是流动与逗留两大功能的结合体，新建建筑在延续原有街道界面和流动功能的同时，还需要对建筑底层室内外公共空间进行塑造，提升街区的环境品质。是什么意思？

In practice, the new buildings of the city both the role of space in the following aspects: First, with the city or neighborhood of the original texture of the organic integration. Different types of buildings in the city of harmony, form in the city for the construction entities on the performance

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In practice, the new building on the role of city space is mainly reflected in the following areas: first, and city or neighborhood organic integration of the original texture. The harmonious coexistence of different types of buildings in the city, on the urban form demonstrated by the construction