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1·He asked the king to be present at a demonstration flight at Westminster on April 1.

他邀请国王出席四月一日于威斯敏斯特进行的一次试飞。

2·The time and venue for the demonstration flight and other details will be disclosed at a later time.

试飞时间、地点等其它细节将在晚些时候公布。

3·The demonstration flight is a milestone in Nasa's plans to ready the Ares rockets for service in 2016.

这次演示飞行对于NASA让战神火箭于2016年投入使用的计划具有里程碑式的意义。

4·This was the first in a series of tests as part of the U.S. Navy/Marine Corps/Lockheed Martin demonstration flight test program.

这是美国海军/海军陆战队/洛克希德·马丁公司演示飞行测试计划的一系列测试之首。

5·The company may have had a bumpy ride over the past 12 months, but the latest demonstration flight of Airbus's new A380 was ultra-smooth.

在过去的12个月间，空中客车公司大概经历了一次颠簸不平的飞行，不过其新机型A380最近一次的验证飞行却极为顺畅。

6·An Air France-KLM Boeing 747 using a 50 per cent biofuel mix in one engine successfully completed a demonstration flight in the Netherlands in November 2009.

2009年11月，法航荷航集团的一架波音747客机曾在一个发动机中混入50%的生物燃料，并在荷兰成功完成了示范飞行。

7·China joined the green jet age on Friday when an Air China 747 circled Beijing on a demonstration flight powered by a plant-based biofuel made by Honeywell UOP.

上周五，一架使用植物生物燃料的国航747飞机在北京上空进行了验证飞行，此种燃油由霍尼韦尔环球油品公司(Honeywell UOP)生产。这标志着中国迈入了绿色喷气机时代。

8·Russia a has built six prototypes of PAK-FA and, after repeated requests from India, it agreed to hold a demonstration flight earlier this year for technical evaluation.

俄罗斯已经建造了六架战斗原型机， ， 在印度的反复请求下， 俄已同意在今年早些时候进行一次演示飞行-作技术评估。 但飞行结果让俄罗斯很尴尬。

9·Russia's new fifth-generation PAK FA T-50 fighter jet performed its first demonstration flight at MAKS-2011 international air and space show in the town of Zhukovsky, near Moscow.

在莫斯科近郊的茹可夫斯基市举行的俄罗斯2011年国际航空航天展上，俄第五代喷气式战机t - 50进行了首秀。

10·Currently the world's tallest booster in service, the Ares I-X rolled out to the launch pad early Tuesday and is slated to blast off Oct. 27 at 8 a.m. EDT (1200 GMT) on a short demonstration flight.

“战神i - X”是目前世界上最高的现役助推器，已于10月20日凌晨运抵发射台，并预定在美国东部时间10月27日上午8点(格林威治时间1200)进行短暂的试飞。