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1st world sound fair kicks off in E China's Anhui

Source: Xinhua| 2018-10-25 20:34:41|Editor: Yurou
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CHINA-HEFEI-SOUND FAIR(CN)

A child interacts with an educational robot during the 1st world sound fair in Hefei, capital of east China's Anhui Province, Oct. 24, 2018. The 1st world sound fair kicked off here Wednesday. (Xinhua/Zhang Duan)

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