The mechanical analysis and the trimming were performed for a novel near space aircraft which uses the variation in wind speed at high altitude to control its flight path.

对一种利用高空风的风速差控制飞行轨迹的新型低能耗临近空间飞行器，进行了力学分析与配平计算。

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Even small aircraft occupy a lot of space.

即便小飞机也占很多空间。

《柯林斯英汉双解大词典》

Elon Musk's Space X aims to send an unmanned aircraft to Mars by 2018.

埃隆·马斯克的太空探索技术公司计划在2018年之前将一架无人驾驶飞机送上火星。

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The United States space agency already uses an Aircraft Birdstrike Avoidance Radar at the Kennedy Space Center in Florida.

VOA: special.2009.04.01

"In some cases, we have had to divert aircraft just because there was not space available on the airfield,".

VOA: standard.2010.01.21

The North Korean military notice, carried on state-run media, also said South Korean ships and aircraft will no longer be allowed passage through the North's territorial space.

VOA: standard.2010.05.27

Air Wales had hit the headlines last year by appealing for cabin crew under 5ft 3 inches - a height restriction it insists on because of tight space on the aircraft.

BBC: Take-off for budget City flights

The FAA has been working to setup new rules and to safely integrate the use of unmanned aircraft into the national air space, and last year opened an "unmanned aircraft systems integration" office.

CNN: Pilot reports spotting 'drone' over Brooklyn

Industrial gains won't be sufficient alone, nor will military aircraft or space vehicles that have provided solid business in the recent past.

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