揭秘上海世博會(huì)“隱身”科技看點(diǎn)
Invisible high-tech wonders of the Shanghai Expo
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![Gorgeous music fountain is performed during trial operation on the Huangpu River between the two parts of the Expo Park in Shanghai, east China, April. 22, 2010. [Xinhua/Wu Huang]](http://images.china.cn/attachement/jpg/site1007/20100510/0011432100f50d51e93f03.jpg "Gorgeous music fountain is performed during trial operation on the Huangpu River between the two parts of the Expo Park in Shanghai, east China, April. 22, 2010. [Xinhua/Wu Huang]")
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| Gorgeous music fountain is performed during trial operation on the Huangpu River between the two parts of the Expo Park in Shanghai, east China, April. 22, 2010. [Xinhua/Wu Huang] |
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