大发彩神appapp下载National mass entrepreneurship and innovation week kicks off in Hangzhou

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A participant introduces an AI vision product to visitors during the national mass entrepreneurship and innovation week in Hangzhou, capital city of east China's Zhejiang Province, June 13, 2019. The national mass entrepreneurship and innovation week kicked off on Thursday, during which exhibitions and forums for entrepreneurs, investors, researchers and university students are held nationwide. (Xinhua/Huang Zongzhi)

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