The aircraft may be a technology demonstrator or a prototype for a mass production fighter aircraft.

这架飞机既可能是技术验证机，也可能是量产型号的原型机。

youdao

The aircraft may be a technology demonstrator or a prototype for a mass production fighter aircraft.

这架飞机既可能是技术验证机，也可能是量产型号的原型机。

youdao