发挥城市功能加速边疆民族地区经济发展沙之沅改革开放以来，我国沿海开放城市。内地大城市和其它计划单列城市经济发展速度远远高于全国平均水平，产值占国民经济的比重很大。１９９２年，面积只占全国２％的沿海开放城市和经济特区１亿多人口，却创造了３５１８亿元的国... Give Full Play to Urban Function and Accelerate the Economic Development in Border Ethnic Areas Since the reform and opening up of the Yuan Dynasty, China’s open coastal cities. The economic growth rates of major cities in the Mainland and other cities separately planned are much higher than the national average, and their output value accounts for a large proportion of the national economy. In 1992, the area accounted for only 2% of the country’s coastal open cities and special economic zones with over 100 million inhabitants, yet it created a nation of 351.8 billion yuan.