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Unmanned sprayer, harvester, rice transplanter work in field in E China

Xinhua | Updated: 2018-06-03 07:50
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In this aerial photo taken on June 2, 2018, two unmanned sprayers work in a field during the demonstration of an agricultural pilot program featuring unmanned production process in Xinghua, East China's Jiangsu province. [Photo/Xinhua]
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