Source: Xinhua| 2018-05-17 21:59:38|Editor: ZX

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Photo taken on May 17, 2018 shows the prototype of Tianhe-3, a supercomputer capable of at least a billion billion calculations per second, during the 2nd World Intelligence Congress in north China's Tianjin. The National Supercomputing Center in Tianjin displayed the prototype of the supercomputer for the first time at the intelligence congress. (Xinhua/Li Ran)