“中关村科技园区”的概念已今非昔比，目前其涵盖北京五个高新技术企业相对集中的科技园，即海淀园、昌平园、丰台园、电子城科技园和亦庄科技园。 其中海淀园的中心区南起西外大街，北至规划公路一环，西起京密引水渠，东至八达岭高速公路，用地约７５平方公里。其发展区在规 The concept of “Zhongguancun Science and Technology Park” has shrunk. At present, it covers the relatively concentrated science and technology parks of five high-tech enterprises in Beijing, namely Haidian Park, Changping Park, Fengtai Park, E-City Science Park and Yizhuang Science Park. Among them, the central area of ​​Haidian Garden runs from Xishang Street in the south, to the first planned highway in the north, Jingmi diversion canal in the west and Badaling Expressway in the east, covering an area of ​​75 square kilometers. Its development zone in the regulation