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Big-data based monitoring system helps guarantee food safety for students

Xinhua | Updated: 2019-05-22 09:22
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Aerial photo shows a staff member picking vegetables in Tongren, Southwest China's Guizhou province, May 21, 2019. Tongren city has established a monitoring system applying new technologies of big data to trace food from farming to dining table, an effort to guarantee food safety for students. [Photo/Xinhua]
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