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High-tech expo begins in Beijing

Source: Xinhua| 2018-05-17 15:50:54|Editor: ZX
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#CHINA-BEIJING-HIGH-TECH EXPO (CN)

People watch a underwater robot during the 21st China Beijing International High-Tech Expo in Beijing, capital of China, May 17, 2018. The four-day expo opened here on Thursday. (Xinhua/Wang Jingsheng)

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KEY WORDS: high-tech
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