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背景材料:目前比较公认的首都经济圈,也被媒体称为“京三角”。范围主要包括北京、天津和内环京津的河北省7个城市:廊坊、保定、沧州、承德、张家口、唐山、秦皇岛,是继珠江三角洲、长江三角洲之后又一个发展潜力巨大的经济增长极。纵观长三角、珠三角和京三角,首都经济圈各城市发展由于长期缺乏联合,极化效应相对较弱,存在包括产业项目、基础设施、港口等在内的无序竞争,造成整个区域经济发展滞后,与同样处于沿海开放的长三角和珠三角的差距逐渐拉大。据此回答1～2题。1.从全国来看,首都经济圈是三大都市圈之一,但和长江三角
Background: At present, the more recognized capital economic circle is also known by the media as the “Beijing Triangle.” The scope mainly includes seven cities in Hebei Province: Beijing, Tianjin and Inner Mongolia. Langfang, Baoding, Cangzhou, Chengde, Zhangjiakou, Tangshan and Qinhuangdao are another great economic growth pole after the Pearl River Delta and the Yangtze River Delta. Throughout the Yangtze River Delta, Pearl River Delta and Beijing-Beijing Triangle, due to the long-term lack of alliance in the capital economic circle, the polarization effect is relatively weak. There is disorderly competition including industrial projects, infrastructures, ports, etc., resulting in the entire regional economy The development lags behind the gradual expansion of the gap between the Yangtze River Delta and the Pearl River Delta, which are also open to the sea. Answer 1 to 2 questions accordingly. 1. From a national point of view, the capital economic circle is one of the three metropolitan areas, but the Yangtze River Delta