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  • [科技新闻] 无人机行业能否安全起飞

    上个月,一架自动无人机在英国乡村上空飞行13分钟,给一位剑桥附近的客户递送了一部亚马逊(Amazon)流媒体电视棒和一袋爆米花。

    2017-01-09 编辑:alice