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天津作为我国四大直辖市之一,是华北重要的工业基地和环渤海地区的经济和商贸中心,也是我国北方最大的沿海开放城市。2006
As one of the four major municipalities in China, Tianjin is an important industrial base in North China and an economic and commercial center in the Bohai Rim. It is also the largest coastal open city in northern China. 2006