VOA慢速英语2016.03.30 classes, replace, register, University, permission

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___________________________"At this time, Kansas State University is the only school with permission to offer unmanned aircraft flight classes to students outside," an FAA representative wrote.__________________________"如今,只有堪萨斯州立大学拿到了授权可以让学生在外测试无人机."FAA官员写到.

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