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15th Annual Meeting of China Association for Science, Technology held in Guiyang

05-25-2013 15:49 BJT

Sang Guowei, an academician of the Chinese Academy of Engineering, addresses the 15th Annual Meeting of China Association for Science and Technology in Guiyang, capital of southwest China's Guizhou Province, May 25, 2013. (Xinhua/Yang Ying)

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