An additional two prototypes using Chinese-made parts made their first flight successfully in 1976.

另外两架原型使用中国制造的部件在1976年成功进行了首次飞行。

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Hennessey is planning to build two prototypes within 2009 in order to evaluate the public's reaction.

亨尼西正计划兴建两个原型在2009年，以评估市民的反应。

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Two prototypes were built by Scaled Composites, and they made about 15 captive and free flights between 1997 and 2001.

两个原型建造的规模化复合材料，以及他们在1997年至2001年约15的俘虏和自由飞行。

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Here you have to use your imagination, because the two prototypes shown were pretty rough.

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Put another way, an offer letter in hand is worth two prototypes and a Google Apps slide deck in the bush.

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Designed by Herefordshire-based Hugo Spowers, just two prototypes of the car currently exist, one of which is at the London Science Museum.

BBC: Hugo Spowers with hydrogen-powered car