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18th Optics Valley of China International Optoelectronic Exposition and Forum opens in Wuhan (4)
(Xinhua) 12:17, October 28, 2021
Guests attend the opening ceremony of the 18th Optics Valley of China International Optoelectronic Exposition and Forum in Wuhan, central China's Hubei Province, Oct. 27, 2021. The expo and forum opened here on Wednesday. (Photo by Wu Zhizun/Xinhua)
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(Web editor: Shi Xi, Liang Jun)
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