北京作为中国的首都和世界著名的历史名城，建国以后，城市面貌日新月异，近二十年，北京的城市建设发展很快，特别是关系人民群众切身利益的住宅建设在整个城市建设中的地位日益突出，涌现出一片片配套齐全、科技含量高的居住小区。建国初期，北京市旧有居住用房约１３０... Beijing, as the capital of China and a world-famous historical city, has changed rapidly since the founding of the People’s Republic of China. In the past two decades, Beijing’s urban construction has developed rapidly. In particular, the relationship between the people’s vital interests and the housing construction has become increasingly important in the entire city’s construction. Outstanding, emerged a piece of well-equipped, high-tech residential area. In the early years after the founding of the People’s Republic of China, the old residential houses in Beijing were about 130...