The windtunnel testing is a high precision aerodynamic testing made up of many link.

风洞试验是由很多环节组成的高精度空气动力试验。

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In the two years since, however, funding has been forthcoming and design work has begun, with aerodynamic testing on scale models under way at the Marshall Space Flight Center in Huntsville, Ala.

然而，自那时起两年内，在阿拉巴马州汉斯·维尔的马歇尔航天飞行中心，资金已经到位，而且设计工作已经开始，同时缩尺模型空气动力测试也在进行中。

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Astrium has done considerable work already on the Romeo rocket engine that would power the climb to space, and wind tunnel testing has proven the aerodynamic shape.

Astrium公司已经对Romeo火箭引擎进行了相应的改造工作，以驱动飞船爬升至太空，并且风道测试已经证实了气动外形。公司很快将会开始火箭发动机测试。

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Nextant, however, has taken their aerodynamic testing much further.

FORBES: Aircraft Makeover: Certifiably As Good As New

Button, who hands the McLaren over to team-mate Lewis Hamilton for the final day of pre-season testing on Sunday, tried out a major aerodynamic upgrade on Saturday, describing the update as a "good update - but we need more miles".

BBC: Jenson Button says there is more to come from McLaren