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Yang Chen-Ning (R) listens carefully with the illustrations of the high-tech achievements exhibited. [CRIENGLISH.com]
(CRI April 20, 2009)
![Yang Chen-Ning (R) listens carefully with the illustrations of the high-tech achievements exhibited. [Photo: CRIENGLISH.com]](http://images.china.cn/attachement/jpg/site1007/20090420/000802ab80120b561ab407.jpg "Yang Chen-Ning (R) listens carefully with the illustrations of the high-tech achievements exhibited. [Photo: CRIENGLISH.com]")
