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近年来,中国的城市开始发生巨大变化,一栋栋闪烁的摩天大楼、奥林匹克体育场……随着这些改变,中国也逐渐将新经济实力投入到科学领域。加之在海内外有一大群受过良好教育的科研人员,这些都推动了北京和上海成为了强大的科技中心,并赋予了天津、重庆等二线城市跨越式的发展机遇。近年来,中国在科研开发领域的蓬勃发展集中体现在4个直辖市:这些城市有效地管理着自己的区域,是直属中央政府管理的省级行政单位。这些城市是北京、天津、上海和重庆,
In recent years, great changes have taken place in China's cities, with flashing skyscrapers and the Olympic Stadium. With these changes, China has gradually brought new economic strength into the field of science. In addition, there are a large group of well-educated researchers both at home and abroad. All these have promoted Beijing and Shanghai to become powerful science and technology centers and given leapfrog development opportunities in such second-tier cities as Tianjin and Chongqing. In recent years, the vigorous development of China in the field of scientific research and development has been concentrated in four municipalities directly under the Central Government: these cities effectively manage their own regions and are provincial-level administrative units directly under the Central Government. These cities are Beijing, Tianjin, Shanghai and Chongqing,