In 1990, it also performed demonstration flights at the Farnborough  Air Show.

1990 年，它还在范堡罗航展上进行了演示飞行。

It has carried out demonstration flights in America and Europe with the aim of obtaining type certificates in both markets.

它已在美国和欧洲进行了示范飞行，旨在获得这两个市场的型号合格证。

Neither have the taxis been certified by the European Union's Aviation Safety Agency (EASA) - meaning operators can only offer free demonstration flights during the Games.

此外，这些出租车尚未获得欧盟航空安全局（EASA）的认证，这意味着运营商只能在奥运会期间提供免费示范飞行。

The SpaceX mission was called a demonstration flight, which is the final step toward certification of the SpaceX capsule for regular trips to the space station.

SpaceX 的任务被称为演示飞行，这是对 SpaceX 太空舱进行定期前往空间站的认证的最后一步。