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| 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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| Representatives attend 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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| Representatives attend 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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| Representatives attend 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) |
