Flying test beds are selected as early flight aircraft for a number of reasons.

选择飞行试验台作为早期试飞的飞机是有很多理由的。

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At the same time, the five tailed fox are quarrelling with some aliens about a failed flying test.

此时，五尾狐和几个外星人正为飞行试验的失败而争吵。

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Such a walking robot would join robotic helicopters already flying test missions to resupply Marines in Afghanistan.

这样的行走机器人将加入机器人直升机已经飞行试验任务提供补给海军陆战队员在阿富汗。

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NASA also said the first astronauts had to be military pilots with experience in test flying airplanes.

VOA: special.2009.06.10

Snapping at Boeing's heels is its arch rival Airbus, which is expected to start test flying its A350 XWB later this year.

CNN: Can the 'game-changer' still live up to its name?

"It's a very gratifying feeling for someone who's devoted their career to test flying like myself and all the other astronauts, " said former Air Force Maj.

CNN: Space shuttle Enterprise flies again

At first Boeing seemed to think that it had a quick fix for its latest problem which would have limited the aircraft's ability to manoeuvre but subsequently the firm decided to postpone test flying until a more comprehensive solution is found.

ECONOMIST: Boeing and the 787