Based on the aerodynamic test of plane models under different positions, the variable Angle system used in low-speed wind tunnels is designed in this paper.

基于对飞机模型在不同姿态下进行的空气动力学测试，文中设计了用于低速风洞的变角度系统。

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Do you think it is possible for someone to do all these things during his senior high school years: write songs, learn street dancing, ride a skateboard and make telescopes and plane models by hand?

你认为对一个来说可能在他的高中时期做所有的事情：写歌、学街舞、玩滑板车、手工做望远镜和飞机模型？

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The plane is one of only two models still capable of turning its engines, with neither able to fly, organisers of the appeal said.

BBC: ?5m Shackleton plane appeal launched in Coventry

McVitie said that Branson would be "making the same mistake twice" if he went on to commit to one of Airbus' newest models, the A350 extra wide body plane.

FORBES: Branson Turns His Back On Airbus

The first public sign that something was wrong was when more than 100 well dressed young women, described as looking like fashion models, gathered at the airport in the Senegalese capital Dakar, intending to board a plane to Tripoli.

BBC: African sex ring busted