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    人民網
    Thu,Oct 23,2014
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    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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