《北京城市总体规划(2004～2020年)》确定了“两轴-两带-多中心”城市空间结构,提出了新城发展战略(图1)。目前,按照“高起点、高标准、高水平”实施建设的总体要求,通州、顺义、亦庄等11个新城建设在首都整体发展中得到了统筹推进,迈出了坚实的步 The Beijing Urban Master Plan (2004-2020) identified the urban spatial structure of the “two axes - two belts - multiple centers” and proposed the new city development strategy (Figure 1). At present, in accordance with the overall requirements of “high starting point, high standard and high level” implementation and construction, the construction of 11 new towns such as Tongzhou, Shunyi and Yizhuang has been promoted as a whole by the overall development of the capital and taken a solid step