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Thu,Oct 23,2014
English>>China Society

UAV applied to combat smog in Harbin (2)

(Chinanews.com)    10:53, October 23, 2014
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Two workers of environmental protection department prepare to fly an unmanned aerial vehicle which is designed to monitor illegal straw burning in Harbin, Heilongjiang province on October 22, 2014. [Photo: China News Service/ Wang Dongliang]

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(Editor:Ma Xiaochun、Liang Jun)
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