2017考研英语阅读：2020年美无人机数量飙升两倍以上

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　　Number of US drones will nearly triple by 2020: FAA

　　2020年美国无人机数量飙升两倍以上

　　An estimated seven million drones will fly in US skies by 2020, nearly tripling the number expected to be in circulation by the end of the year, the Federal Aviation Administration said Thursday.

　　美国联邦航空管理局(FAA)本周四表示，2020年美国无人机总数有望达到700万架。这一数字近乎为截止今年年底投入使用的无人机数量的3倍。

　　“Unmanned aircraft systems will be the most dynamic growth sector within aviation,” the agency said in a report, which forecast that some 2.5 drones million will be in use by the end of 2016.

　　在一份报告中，管理局预测至2016年年底约250万架无人飞机将投入使用，“无人航空产业将成为航空业增长最迅速的产业。”

　　How the civilian drone market evolves, however, will depend on future security and regulatory measures put in place by the US government, the FAA said, emphasizing that “unprecedented milestones” were already set in 2015.

　　不过管理局称民用无人机市场的发展取决于美国政府在未来能否落实各项安全管理条例，并强调2015年美国已取得了“前所未有的成就”。

　　In December of last year, the FAA released rules requiring registration of small unmanned aircraft weighing more than 250 grams (0.55 pounds) and less than 25 kilograms (55 pounds), including payloads such as on-board cameras.

　　去年12月，联邦航空管理局出台了新法案，要求重量在250g(0.55磅)至25kg(55磅)之间的小型无人驾驶航空设备(其中包含机载摄像头等负载的重量)必须进行登记备案。

　　“This registration rule will aid in investigations and allow the FAA to gather data,” the agency said in its report.

　　联邦航空管理局在报告中表示“新的登记法案将对各项调查大有助益，管理局也能够收集到各项数据。”

　　The number of hobby drones is expected to climb from 1.9 million in 2016 to 4.3 million in 2020, while commercial drones are predicted to soar from 600,000 to 2.7 million.

　　非专业无人机的数量有望从2016年的190万架上升至2020年的430万架，而商用无人机的数量将从60万架飙升至270万架。

　　However, the FAA added that predictions for commercial drones “are more difficult to develop given the dynamic, quickly-evolving nature of the market.”

　　然而管理局还表示对商用无人机的数量增长进行预测“因其市场波动较大，增长较快的特性而变得更为困难。”

　　The FAA will publish final regulations regarding drone use within the next few months, it said.

　　联邦航空管理局在近几个月内将出台有关无人机应用的最终版法规。

　　The agency worked with Teal Group, a drone industry expert, to better understand the market for unmanned aircraft systems.

　　联邦航空管理局同无人机行业的专家企业Teal集团展开合作，对无人驾驶航空设备市场有了更深入的了解。

　　An estimated 90 percent of the drone fleet in 2020 will cost an average of 2,500 dollars. The most expensive models may reach 40,000 dollars.

　　据估计，无人机的平均售价到2020年时将达到2500美元，而最昂贵型号的售价可达到4万美元。

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